Euglossa (Dasystilbe) obrima Hinojosa-Diaz , Melo, & Engel,
Hinojosa-Diaz, Ismael A., Melo, Gabriel A. R. & Engel, Michael S., 2011, Euglossa obrima, a new species of orchid bee from Mesoamerica, with notes on the subgenus Dasystilbe Dressler (Hymenoptera, Apidae), ZooKeys 97, pp. 11-29: 12-23
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|Euglossa (Dasystilbe) obrima Hinojosa-Diaz , Melo, & Engel|
Euglossa (Dasystilbe) obrima Hinojosa-Diaz, Melo, & Engel ZBK sp. n. Figs 1, 34, 67, 91015, 17, 1921-26
♂ (Figs 1, 4, 7), labeled, "Mexico, VeraCruz; 34 km N Catemaco; UNAM Reserve; Jan. 6, 1982; John W. Wenzel // Euglossa; villosa Moure; Det. R.L. Dressler, 1987". The holotype is in the Division of Entomology, University of Kansas Natural History Museum, Lawrence, Kansas, USA.
16♂♂, 13♀♀: labeled as follows: data as holotype except date "Jan. 10, 1982" (1♂); "MEXICO: Vera-; cruz. Fortin; 4 XI 1966 [date handwritten except three first digits of year]; R.L. Dressler 591 [number handwritten]" (1♂); "MEXICO, Veracruz; Teocelo; 25-VIII-1989; 12:00 1080m; A. Callejas" (1♀); Chalchijapa, Santa María; Chimalapa, Oaxaca. [Mexico]; 22-III-1995; J.L. Salinas 100 m; Selva Alta Perennifolia; Atraida con Esencias JL-183; Galera Rolando 08:28 h // MUSEO DE ZOOLOGIA; HYMENOPTERA; 10576" (1♂); same data except last number in second label “10583” (1♂); “10585” (1♂); same data except: date “24-III-1995”, last two lines on first label "Atraida con Esencias JL-191; Campamento 12:48 h", last number in second label “10631” (1♂); same data except: date “26-III-1995”, last two lines on first label "Atraida con Esencias JL-194; 10:00 h", last number in second label “10646” (1♂); same data except: date “24-VIII-1995”, last two lines on first label "Atraida con Esencias RL-1007; 12:30 h", last number in second label “11308” (1♀); "MEXICO, Hidalgo; Tlanchinol 1516 m; Tlanchinol-Apantlazol Km 1; 29[20°?] 59 ’13” N 98[°] 39 ’04” W; 14-09-1993 10:45 Hrs.; L. Godínez LG-898" (1♂); same data except last two lines: "14-09-1993 12:30 Hrs.; R. López RL-81" (1♂); same data except last two lines: "05-06-1993 11:00 Hrs.; L. Godínez LG-787" (1♀); "MEXICO, Hidalgo; Tlanchinol 1600 m; Tlanchinol-Apantlazol Km 4; 20[°] 59 ’04” N 98[°] 38 ’13” W; 13-09-1993 10:20 Hrs.; R. López RL-76" (1♂)"; "Museo de Zoología; Fac. De Ciencias; U.N.A.M. // MEX[Mexico]: Oax.[Oaxaca]; Metates.; 13-IX-1987 // MUSEO DE ZOOLOGIA; HYMENOPTERA; 10441" [second label handwritten] (1♀); "Museo de Zoología; Fac. De Ciencias; U.N.A.M. // MEX[Mexico]: Oax.[Oaxaca]; Macultianguis [Macuiltianguis?]; 17-IX-1987; A. Luis // MUSEO DE ZOOLOGIA; HYMENOPTERA; 10422" [second label handwritten] (1♀); "Museo de Zoología; Fac. De Ciencias; U.N.A.M. // Edo. Oax.,[Oaxaca, Mexico] Pto; Eligio. Mpio.; Comaltepec; 600 msnm.; 9-VIII-1986, A. Luis // MUSEO DE ZOOLOGIA; HYMENOPTERA; 10421" [second label handwritten] (1♀); "MEXICO: San Luis; Potosi, El Limon 70 km S; Ciudad Valles on Hwy 85; RL Minckley & BN; Danforth 29-30 Dec 1988 // Euglossa villosa [handwritten]; Moure; det. R.W.Brooks 1996 [last two digits handwritten]" (1♂, 1♀); "MEXICO: San Luis; Potosi, San Juan, 16 Feb.; 1992, L. Godinez, #818; ex Bidens odorata // Euglossa [handwritten]; villosa Moure [handwritten]; det. R.W.Brooks 1996 [last two digits handwritten]" (1♀); "MEXICO: San Luis; Potosi, Xilitla, 1km E; Xilitla at river 400m; 9 July 1990, I. Yarom" (1♀); "Atoyac,; Vera Cruz.; Schumann// Godman-Salvin; Collection.; 1913-214.// Euglossa; villosa ; m. [han dwritten]; Det. J.S. Moure 1958 [last two digits handwritten]" (1♂); "MEX[Mexico]: S.[San] L.[Luis] P.[Potosi]; Tamazunchale; IV-12-54// D.H. Janzen; Collector" (1♂); “Finca’ La Isle’; Chiapas, Mex.[Mexico]" (1♀); "4 mi[miles] NW Ocosingo; Chiapas. MEX.[Mexico]; III-8-1953" (1♀); "San Juan,; Vera Paz; Champion.// Godman-Salvin; Collection.; 1913-214.// viridissima; Friese [handwritten]; Pe J. S. Moure 1968 [last two digits handwritten] [underside of label: MUS. HUNGARICUM; C.[compared] W.[with] T.[type] ♀; MEXICO; Ctba.[Curitiba] 29-XI-1968 [handwritten]]" (1♀); "GUATEMALA: Zacapa; Prov., 3.5 km SE La Union; 1500m, 25-27 June 1993; J.Ashe&R.Brooks#128; ex:flight intercept trap // Euglossa [handwritten]; villosa Moure [handwritten]; det. R.W.Brooks 19" (1♂); "La Conquista; Guatemala// Euglossa ♀; villosa m. [handwritten]; Pe J. S. Moure 1968 [last two digits handwritten]" (1♀); "Honduras: Santa Barbara; Finca Las Quebradas, W; of Lake Yojoa, Oct. 1991" (1♂); "Jinotega; NICARAGUA; C.H. Dodson [underside of label: Sept. 1963]// HOLOTYPUS [labelled as a holotype by Moure but never published]; Dasystilbe [plus male symbol]; smaragdula [handwritten]; Pe. J. S. Moure 1985 [last two digits handwritten]" (1♂). Paratypes are deposited in the Division of Entomology, University of Kansas Natural History Museum, Lawrence, Kansas, USA; Museo de Zoología Alfonso L. Herrera, Facultad de Ciencias, Universidad Nacional Autónoma de México, México, D.F., Mexico; Florida Museum of Natural History, University of Florida, USA; and Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, Paraná, Brazil.
Bees with a rather stocky habitus, both sexes with body coloration bright metallic green, with faint bronzy hue and blue iridescence, posterior section of first four metasomal terga with noticeable cyan-blue iridescence forming a band along tergal margins (Figs 1, 3); punctation moderately dense; body with dense, fulvous, long setae especially on lateral and ventral sides of head and mesosoma; female with conspicuous ellipsoidal setal patch on mesoscutellum made of dense, dark setae (Fig. 3); male with mesotibial anterior tuft ellipsoidal with a diagonally truncate base and a distal rounded margin, posterior tuft round, oblong partially lying on posterior half of truncate margin of anterior tuft, velvety area noticeably sparser along anterior mesotibial margin (Fig. 15); mesotarsomeres beyond mesobasitarsus longer than wide, especially second mesotarsomere (Fig. 17); distal section of metatibial organ slit lanceolate (spur-like), slender (maximum width occupying about one-fifth of metatibial outer surface width) (Fig. 19); second metasomal sternum with two narrow cowled slits (Fig. 13).
♂: Structure. Total body length 13.54 mm (12.30-14.67; n=5); labiomaxillary complex in repose reaching sternum III (not exceeding it) (Fig. 13). Head length 3.11 mm (2.96-3.33; n=5), width 5.19 mm (5.11-5.26; n=5); upper interorbital distance 2.31 mm (2.30-2.37; n=5); lower interorbital distance 2.29 mm (2.22-2.37; n=5); upper clypeal width 1.39 mm (1.26-1.48; n=5) (as measured between dorsolateral angles of clypeus); lower clypeal width 2.22 mm (2.19-2.30; n=5) (as measured at level of lower lateral parts); clypeal protuberance 0.76 mm (0.74-0.81; n=5) (following measurement method of Brooks 1988); medial clypeal ridge sharp, paramedial clypeal ridges not as sharp but well developed; labrum rectangular, wider than long, length 1.09 mm (1.04-1.11; n=5), width 1.27 mm (1.26-1.33; n=5) (Fig. 7); medial labral ridge sharp; paramedial labral ridges not as sharp, oblique, well developed along entire labral length; labral windows ovoid, occupying proximal one-half of labrum; interocellar distance 0.35 mm (0.30-0.41; n=5); ocellocular distance 0.67 mm (n=5); first flagellomere nearly as long [0.52 mm (n=5)] as second and third flagellomeres combined [0.50 mm (0.48-0.52; n=5)]; length of malar area 0.13 mm (0.11-0.15; n=5). Mandible bidentate. Dorsolateral angle of pronotum projected laterally as an acute prong (Fig. 10); intertegular distance 3.94 mm (3.85-4.07; n=5); mesoscutal length 3.19 mm (3.07-3.41; n=5); mesoscutellar length 1.50 mm (1.48-1.56; n=5); posterior border of mesoscutellum demi-ellipsoidal (Fig. 1); mesotibial length 2.68 mm (2.59-2.74; n=5); mesobasitarsal length 2.36 mm (2.30-2.37; n=5), width 0.84 mm (0.81-0.89; n=5) (as measured at proximal posterior keel), posterior keel projected in a right or slightly acute angle, inner surface with a prominent distal elevation obliquely ridged forming concavity contiguous to emarginated joint with second mesotarsomere (Fig. 11); mesotarsomeres beyond mesobasitarsus longer than wide, especially second mesotarsomere in which posterior margin is conspicuously concave (Fig. 17); metatibial shape triangular (scalene right triangular); metatibial anterior margin length 3.84 mm (370-3.93; n=5), ventral margin length 3.19 mm (2.89-3.33; n=5), postero-dorsal margin length 4.97 mm (4.74-5.19; n=5), maximum thickness 1.44 mm (1.41-1.48; n=5); metatibial organ slit basal and distal sections well defined with junction nearly as wide as contiguous width of basal section; distal section of metatibial organ slit lanceolate (spur-like), maximum width occupying about one-fifth of metatibial outer surface width (Fig. 19); dorsal section of metatibial organ slit rhomboid, length 0.62 mm (0.52-0.81; n=5); metabasitarsal length 2.78 mm (2.67-2.96; n=5), mid-width 0.98 mm (0.89-1.04; n=5); metabasitarsal ventral margin projected posteriorly on a rounded slightly obtuse angle. Forewing length 10.40 mm (10.07-10.89; n=5); jugal comb with 13-15 (n=5) blades; hind wing with 22-28 (n=5) hamuli. Maximum metasomal width 5.54 mm (5.41-5.70; n=5); second metasomal sternum as described for subgenus (Fig. 13).
Coloration. Head bright metallic green (except as described below), with faint bronzy hue, specially on midclypeus, and blue iridescence adjacent to torulus; paraocular ivory marks well developed, slightly wider basally (around half distance to lateral margin of clypeal disc), inner margin of marks irregular; labrum ivory; labral anterior and posterior edges as well as labral windows amber-translucent; malar area metallic-green on condyle, brown on acetabulum, ivory in between; mandible ivory on about two thirds of outer surface, teeth and ridges brown; antenna brown, lighter on posterior surface of flagellum; scape with ivory spot covering entire anterior surface (Fig. 7). Mesosoma bright metallic green with faint bronzy hue (darker and more evident on anteriorly oriented episternal surface), blue highlights specially along sutures and sulci (Figs 1, 4); legs metallic-green on outer surface of all major podites, darker and duller than mesosoma (except meta-leg), with same combination of faint bronzy hue and blue highlights on edges, inner surfaces of most podites and most integument of meta- and mesotrochanters as well as all tarsomeres beyond mesobasitarsus, shiny brown combined with blue-green iridescence (Figs 14, 17); tegula colored as rest of mesosoma, wings bright amber, with brown veins and stigma (Figs 1, 4). Metasomal terga bright metallic green, noticeable bronzy-gold iridescence on anterior section of first four terga and on entire surface of the remainder ones, posterior section of first four terga with noticeable cyan-blue iridescence band along tergal margins, slightly wider mesally, covering about half of dorsal surface of first tergum and about one-third of second to fourth tergal dorsal surfaces (Fig. 1), ventro-lateral sections of first metasomal tergum with amber glow. Sterna metallic-green with strong bronzy-gold iridescence especially on narrow anterior sections and posterior margins, sometimes turning into amber-brown glow, especially noticeable on first sternum and on cowled slits of second sternum (Fig. 13).
Sculpturing. Frons areolate, with dense, strong punctures (rather areole-punctures) small (diameter about one tenth of mid-ocellus diameter), increasing in size towards lower facial sections, especially on clypeal disc between paramedial ridges (punctures two to three times as large as on frons), puncture density diminishing on paraocular areas (punctures not contiguous), leading to narrow smooth integumental areas on antennal depression around torulus, and on a deep, narrow groove between torulus and frontal line; ivory areas (paraocular marks, clypeal lateral portions, mandibles and labrum) with shallow sparse punctures; vertex with moderately dense, shallow, small punctures on posterior margin, and interocellar area, areas of smooth, shiny integument present on anterior section of mid-ocellus and antero-lateral sections of lateral ocelli, smooth (minutely rugulose), dull integument on ocello-ocular groove (Fig. 1); posterior half of gena sculptured as posterior section of vertex, anterior half with sparse minute punctures, and scattered, large, round punctures along compound eye. Mesoscutum moderately punctate, round punctures about one-tenth of mid-ocellus diameter, separated by about half to one puncture diameter, puncture size slightly increasing on narrow anterior margin; mesoscutellum with similar general pattern as mesoscutum, specially on anterior half (except rather smooth along anterior margin), puncture size gradually increasing towards posterior margin such that posteriormost punctures are nearly four times as large as those on anterior half, except on mid groove where punctures are denser (contiguous) and of same size as those on anterior mesoscutellar half; mesepisternum punctation as that on mesoscutum, except larger, denser punctures on uppermost section; major leg podites dense to moderately dense punctate on outer surfaces, punctures generally shallow, punctures on metatibia dense (contiguous) on upper anterior margin, puncture size increasing, and density decreasing towards posterior and ventral margins, such that there is rather smooth integument along tibial organ slit and ventral margin. Metasomal terga in general densely punctate, dorsal surface of first tergum with relatively large punctures (as large as those on posterior margin of mesoscutellum) on anterior half especially on mesal area, punctures on posterior portion slightly smaller than those on frons or on mesoscutum, ventrolateral sections polished smooth; second to fourth terga with dense punctures equivalent in size to those on frons or on mesoscutum, only slightly smaller towards posterior margin along the characteristic cyan-blue iridescence bands, these three terga with larger and not as dense punctures on ventrolateral margins; anterior half of dorsal surface and lateral area of fifth to seventh terga with moderately dense large punctures as large as those on posterior margin of mesoscutellum, posterior mesal half of these three terga with punctation equivalent to that on second to fourth terga; metasomal sterna densely punctate, punctures as large or larger than those on posterior margin of mesoscutellum, decreasing slightly in size towards posterior margin of each sternum, although more noticeably on second sternum, lower puncture density on anterior margin and on medial body line.
Vestiture. Frontal fringe composed of two kinds of moderately dense setae, fulvous, plumose (moderately long branches), rather long (length around one and a half mid-ocellus diameter), setae covering the lower anterior area of the fringe, and dark brown, minutely branched (appearing simple), slightly longer, sturdier, setae long, both intermixing midway on the fringe; clypeus, paraocular area, antennal depression, labrum, mandible and malar area, with moderately dense, fulvous setae similar to those on lower half of frontal fringe, except as follows: appressed and noticeably plumose (long branches) on antennal depression, less dense, and with very short branches (appearing simple) on clypeus disc, labrum, mandibles and malar area, these last also having intermixed some scattered brown simple setae; vertex with some scattered, fulvous short, plumose setae on ocello-ocular groove and posterior area of ocellar triangle; dark setae of the same nature as those on posterior half of frontal fringe scattered (but slightly longer) on interocellar area, ocello-ocular groove, and posterior margin, where density increases and they intermix with fulvous setae similar to those on lower half of frontal fringe; gena with dense, fulvous, setae, short and simple on upper section and becoming longer and with longer branches toward lower genal section. Prothorax with setae as those on lower half of frontal fringe, intermixed with the other kind of setae on pronotal lobe; mesoscutum and mesoscutellum covered with a combination of dense setae of the same nature as the two kinds on frontal fringe, slightly longer towards anterior margin of mesoscutum and posterior margin of mesoscutellum, on this last area the fulvous setae are minutely branched and rather appearing as the dark ones except different coloration; mesepisternum and entire lateral mesosomal areas covered with dense, fulvous, moderately long, plumose setae, with very few scattered dark, hirsute setae on uppermost mesepisternal areas (Fig. 4); all coxae and trochanters with vestiture agreeing with that of mesepisternum, except for mesotrochanter with a rather bare anterior surface, and ventral surface with a particular patch of appressed, short, simple setae contiguous to femur joint; inner surface of all basitarsi with dense, brown, simple, strong setae, pointing ventrally, additionally, mesobasitarsal inner surface with three major wavy setae arising along edge of proximal keel; posterior surface of profemur covered with dense, fulvous, plumose, setae, proximally about as long as those on lower gena section, becoming shorter distally; posterior surface of protibia and outer surface of probasitarsus with similar setae, however not as plumose, anterior and inner surface of profemur and protibia with moderately dense, fulvous, simple, short setae; distalmost margin of probasitarsus and second and third protarsomeres with chemical gathering tufts composed of tightly dense, reddish-ochre, simple, long setae; outer surface of mesotibia with two proximal tufts, anterior tuft ellipsoidal with a diagonally truncate base and rounded on its distal end (Fig. 15), about one-third as long as velvety area, posterior tuft round, oblong, about one-third as long as major axis of anterior tuft, and partially lying on posterior half of truncate margin of anterior tuft (Fig. 15), both tufts on deep cavities, and composed of dense, fulvous, plumose setae directed posterad, longer on anterior tuft; microtrichia of velvety area covering the remainder outer surface, although noticeably sparser along anterior margin (Fig. 15); outer surface of metafemur, metatibia and metabasitarsus with moderately dense, pale, rather simple (minutely branched) setae, as long as those on frontal fringe, especially on metafemur, slightly shorter on metabasitarsus and metatibia, except this last with a fringe of enlarged setae on postero-dorsal margin along distal section of organ slit, some of these setae appressed over organ slit; metatibial organ slit closed with dark brown setae (Fig. 19). Dorsal surface of first metasomal tergum covered with moderately dense, fulvous, rather simple setae as long as those on frontal fringe, ventro-lateral sections bare; second to fourth metasomal terga covered with dense, fulvous, simple, very short setae all throughout, intermixed with scattered, dark-brown, erect, simple, short, setae especially on dorsum towards posterior margin; fifth to seventh terga with setae as those on dorsum of first tergum; first metasomal sternum mesally with a dense patch of fulvous, plumose, appressed, long setae; all remaining sterna with vestiture as that on dorsum of first metasomal tergum; cowled slits on second sternum covered with moderately dense, pale, simple, setae oriented posterad, and also forming a fringe along edge of openings (Fig. 13).
Terminalia. Posterior margin of disc of seventh metasomal sternum invaginated mesally, with two apical setae on each side of invaginated section (Fig. 21). Eighth metasomal sternum with anterior section wider than long (not considering apodemes); posterior section projected ventrally making an angle of ~160° respect to longitudinal axis of anterior section; lateral lobes of posterior section with lateral edge slightly convex and an acute point posteriorly, some rather long setae inserted mainly on ventral surface of lobes; lateral width of posterior section comparable to lateral width of anterior section (without apodemes) (Fig. 23). Dorsal process of gonocoxite longer than wide; incision between posterior and dorsal processes of gonocoxite forming an acute angle (Fig. 24). Gonostylus with a lateral section projected beyond the margin of gonocoxite (in dorsal or ventral views), bearing dense, fulvous, simple, long setae on concave inner surface (setae slightly surpassing posterior margin of blades of penis valves); ventral lobe of gonostylar lateral section triangular, bearing some scattered setae on inner surface (Figs 24-26).
♀: Structure. Total body length 12.87 mm (12.44-13.56; n=5); labiomaxillary complex in repose reaching posterior margin of first metasomal sternum. Head length 3.31 mm (3.19-3.41; n=5); head width 5.27 mm (5.19-5.48; n=5); upper interorbital distance 2.54 mm (2.50-2.59; n=5); lower interorbital distance 2.49 mm (2.44-2.63; n=5); upper clypeal width 1.36 mm (1.33-1.41; n=5); lower clypeal width 2.30 mm (2.22-2.37; n=5); clypeal protuberance 0.86 mm (0.74-0.89; n=5); medial clypeal ridge sharp, paramedial ridges sharp on lower half; labrum rectangular, wider than long, length 1.11 mm (n=5), width 1.34 mm (1.31-1.41; n=5) (Fig. 9); labral ridges and windows as in male; distal margin of labrum with a submarginal carina produced outwards; interocellar distance 0.37 mm (0.36-0.37; n=5); ocellocular distance 0.74 mm (0.73-0.78; n=5); first flagellomere nearly as long [0.53 mm (0.52-0.58; n=5)] as second and third flagellomeres combined [0.50 mm (0.48-0.52; n=5)]; length of malar area 0.13 mm (0.11-0.15; n=5). Mandible tridentate, basal tooth broader than other two teeth. Dorsolateral angle of pronotum as in male; intertegular distance 3.99 mm (3.63-4.07; n=5); mesoscutal length 3.29 mm (3.11-3.41; n=5); mesoscutellar length 1.56 mm (1.52-1.63; n=5); posterior border of mesoscutellum as in male (Fig. 3; mesotibial length 2.73 mm (2.67-2.96; n=5); mesobasitarsal length 2.33 mm (2.15-2.44; n=5), maximum width 0.75 mm (0.74-0.81; n=5); metatibia triangular; metatibial anterior margin length 3.96 mm (3.78-4.15; n=5), ventral margin length 2.28 mm (2.22-2.44; n=5); postero-dorsal margin length 4.29 mm (4.19-4.52; n=5); metatibial ventro-posterior angle evenly rounded. Forewing length 10.00 mm (9.63-10.81; n=5); hind wing with 24-27 (n=5) hamuli. Maximum metasomal width 5.61 mm (5.48-5.85; n=5).
Coloration. As described for the male except as follows: paraocular marks and spot on antennal scape absent; ivory coloration on outer surface of mandible covering no more than one-third of it; labrum with distal margin dark brown to black, mid surface between paramedial ridges with a noticeably dark brown spot (Fig. 9).
Sculpturing. As described for the male except mesepisternum slightly denser all over and no major puncture size distinction on upper section. Metatibial corbicular concavity smooth.
Vestiture. As described for the male except as follows: mesoscutellar patch oblong, composed of dense, dark, erect setae with some pale setae intermixed, length of patch occupying about three-quarters of mesoscutellar length, and width of patch about one-fifth of mesoscutellum (Fig. 3). Mesotibia with some spur-like, dark brown setae on posterior and ventral edges; metatibial corbicula surrounded by long, pale setae, and near anterior margin with a few sturdy simple dark setae. Mesal sections of second to fourth metasomal sterna nearly bare.
Known from as far south as Nicaragua, and as north as the central Mexican state of San Luis Potosí (Fig. 27). Euglossa obrima is found in humid environments with specimens collected in lowland areas with tropical rain forest (Chimalapas, Oaxaca, Mexico), or at mid altitudes (as high as 1600 m) in cloud mountain forest (Tlanchinol, Hidalgo, Mexico). Although collecting records are scarce, beyond the Isthmus of Tehuantepec going north, the species is absent from the Mexican lowlands along the Pacific Ocean, with records only from the lowlands along the Gulf of Mexico. The distribution of Euglossa obrima is apparently disjunct to the known distribution of Euglossa villosa which is known only from a couple of localities in Panamá, although some specimens missing locality data, deposited in the Florida Museum of Natural History, University of Florida, USA, may be from Costa Rica (Mark Whitten, pers. comm. 2006).
The males collected in Chalchijapa, Santa María Chimalapa, Oaxaca, Mexico as well as those from Tlanchinol, Hidalgo, Mexico, were captured using a mix of chemicals including eugenol and methyl salicylate. One male from Guatemala was captured in a flight intercept trap, while one female from San Juan, San Luis Potosi, Mexico was collected while visiting flowers of Bidens odorata Cavanilles ( Asteraceae ).
The specific epithet is a reference to the slightly broader general habitus of this species when compared to Euglossa villosa (Greek, obrimos, meaning “strong”, “mighty”).
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