Euglossa (Euglossella) celiae Hinojosa-Díaz & Engel, 2014

Hinojosa-Díaz, Ismael A. & Engel, Michael S., 2014, Revision of the orchid bee subgenus Euglossella (Hymenoptera: Apidae), Part II: The viridis and mandibularis species groups, Journal of Melittology 36, pp. 1-108 : 31-34

publication ID

https://doi.org/ 10.17161/jom.v0i36.4777

publication LSID

urn:lsid:zoobank.org:pub:C9DAC2FD-B7C7-4206-BA89-220522DD884D

persistent identifier

https://treatment.plazi.org/id/03A1878F-B54E-FFA6-FEB8-49AA6618FAAB

treatment provided by

Felipe

scientific name

Euglossa (Euglossella) celiae Hinojosa-Díaz & Engel
status

sp. nov.

Euglossa (Euglossella) celiae Hinojosa-Díaz & Engel View in CoL , new species

ZooBank: urn:lsid:zoobank.org:act:1DF48070-92B8-4FD8-84A7-5B80567A205E

( Figs. 29–37 View Figures 29–30 View Figures 31–37 , 146 View Figures 144–154 , 156 View Figures 155–163 , 170 View Figure 170 )

DIAGNOSIS: Labiomaxillary complex in repose reaching posterior half of second metasomal sternum; upper and lower interorbital distances equal (marginally different) ( Fig. 31 View Figures 31–37 ); malar area short (less than 0.25 mm, noticeably shorter than diameter of mid-flagellar articles) ( Fig. 31 View Figures 31–37 ); pronotal dorsolateral angle projected as a lamella; male mesotibial tufts as follows: anterior tuft rhomboid, moderately long (maximum length barely exceeding mid-width of velvety area) and narrow (mid-width equivalent to width of contiguous section of velvety area), posterior tuft circular-ovoid ( Figs. 32 View Figures 31–37 , 146 View Figures 144–154 ); mesobasitarsal posterior keel projected as a right to slightly obtuse angle ( Fig. 34 View Figures 31–37 ); second metasomal sternum with two simple meso-lateral tufts; width of metasoma and head only marginally different (less than 1.05 times) ( Fig. 29 View Figures 29–30 ); head mainly green with some light blue areas ( Fig. 31 View Figures 31–37 ); paraocular marks trapezoidal, lower width not exceeding half length of lower lateral part of clypeus ( Figs. 30–31 View Figures 29–30 View Figures 31–37 ); scape with ivory spot covering almost entire anterior surface ( Fig. 31 View Figures 31–37 ); mesosoma green throughout with noticeable golden-bronzy iridescence ( Figs. 29–30 View Figures 29–30 ), mesoscutellum with faint cyan intergradation ( Fig. 36 View Figures 31–37 ); first to third metasomal terga light cyan, remaining terga green with noticeable golden-bronzy hue ( Fig. 37 View Figures 31–37 ); mesoscutellum moderately punctate (punctures separated by one to two puncture diameters) ( Fig. 36 View Figures 31–37 ); central area of mesepisternum moderately punctate (punctures separated by one and a half puncture diameters) ( Fig. 35 View Figures 31–37 ); metasomal terga densely and evenly imbricate-punctate ( Fig. 37 View Figures 31–37 ); mesosomal vestiture dominated by pale-fuscous setae ( Figs. 29–30 View Figures 29–30 , 35–36 View Figures 31–37 ); eighth metasomal sternum posterior section very narrow as a slender cylinder; gonocoxite dorsal process about as wide as long ( Fig. 156 View Figures 155–163 ); gonostylar lateral section with well-developed “secondary” lobe, almost as long as adjacent ventral lobe, covered with dense setae reaching posterior margin of blades of penis valve.

DESCRIPTION: ♂: Structure. Total body length 10.12 mm (9.26–11.11; n=6); labiomaxillary complex in repose reaching posterior half of second metasomal sternum ( Figs. 29–30 View Figures 29–30 ). Head length 2.49 mm (2.37–2.59; n=6), width 4.31 mm (4.15–4.50; n=6); upper interorbital distance 1.95 mm (1.85–2.00; n=6); lower interorbital distance 1.90 mm (1.81–1.94; n=6); upper clypeal width 1.07 mm (1.00–1.11; n=6); lower clypeal width 1.76 mm (1.70–1.78; n=6); clypeal protuberance 0.54 mm (0.48–0.59; n=6); clypeal ridges, labral ridges, and labral windows as described for E. viridis ; labrum wider than long, length 0.86 mm (0.81–0.89; n=6), width 1.02 mm (1.00–1.07; n=6) ( Fig. 31 View Figures 31–37 ); interocellar distance 0.32 mm (0.30–0.33; n=6); ocellocular distance 0.56 mm (0.52–0.59; n=6); first flagellar article longer [0.55 mm (0.52–0.59; n=6)] than second and third flagellar articles combined (0.37 mm; n=6); length of malar area 0.15 mm (n=6). Mandible tridentate. Pronotal dorsolateral angle projected posterolaterally as a truncate lamella; intertegular distance 3.14 mm (2.96–3.41; n=6); mesoscutal length 2.55 mm (2.44–2.67; n=6); mesoscutellar length 1.16 mm (1.10–1.22; n=6); posterior margin of mesoscutellum truncate along most of its length (laterally rounded) ( Fig. 36 View Figures 31–37 ); mesotibial length 2.09 mm (2.04–2.22; n=6); mesobasitarsal length 2.12 mm (2.04–2.22; n=6), width 0.69 mm (0.65–0.74; n=6) (measured at proximal posterior keel), posterior keel projected in a right to slightly obtuse angle with proximal margin (between mesotibia-mesobasitarsus joint and apex of keel) appearing slightly convex ( Fig. 34 View Figures 31–37 ); metatibia triangular (scalene triangular) ( Fig. 33 View Figures 31–37 ), maximum thickness 1.24 mm (1.11–1.30; n=6); metatibial anterior margin length 3.31 mm (3.11–3.41; n=6), ventral margin length 2.23 mm (2.07– 2.37; n=6), postero-dorsal margin length 4.29 mm (3.93–4.59; n=6); metatibial organ slit as described for E. viridis , dorsal section length 0.53 mm (0.52–0.56; n=6); metabasitarsal length 2.06 mm (2.00–2.15; n=6), mid-width 0.76 mm (0.74–0.78; n=6); metabasitarsal ventral border truncate. Forewing length 8.41 mm (8.15–8.81; n=6); jugal comb with 12–14 (n=6) blades; hind wing with 17–22 (n=6) hamuli. Maximum metasomal width 4.31 mm (4.07–4.59; n=6); second metasomal sternum as described for E. viridis .

Coloration. Head as described for E. viridis , except as follows: metallic blue areas lighter than in most specimens of E. viridis , blue area on vertex restricted to ocellar triangle; lower width of paraocular ivory marks never wider than half length of lower lateral part of clypeus ( Figs. 30–31 View Figures 29–30 View Figures 31–37 ). Mesosoma green throughout, with golden-bronze noticeably on lateral areas, mesoscutellum with some faint cyan intergradation ( Figs. 29–30 View Figures 29–30 , 35–36 View Figures 31–37 ); legs as described for E. viridis , except mainly green with no blue-purple iridescence ( Figs. 30 View Figures 29–30 , 33 View Figures 31–37 ). First to third metasomal terga light cyan on dorsum, lateral sections green, fourth to seventh terga green with golden-bronzy hue, remainder of metasoma as described for E. viridis ( Fig. 37 View Figures 31–37 ).

Sculpturing. Head as described for E. viridis ( Fig. 31 View Figures 31–37 ). Mesosoma as described for E. azurea , except mesepisternal lateral areas with punctures slightly denser ( Fig. 35 View Figures 31–37 ). Metasoma as described for E. viridis ( Fig. 37 View Figures 31–37 ).

Vestiture. Head as described for E. viridis ( Fig. 31 View Figures 31–37 ). Mesosoma (including legs) as described for E. viridis ( Figs. 29–30 View Figures 29–30 , 33, 35–36 View Figures 31–37 ), except mesotibial anterior tuft moderately long (length barely exceeding mid-width of velvety area) and narrow (mid-width as wide as contiguous section of velvety area) ( Figs. 32 View Figures 31–37 , 146 View Figures 144–154 ). Metasoma as described for E. viridis ( Fig. 37 View Figures 31–37 ).

Terminalia. Hidden sterna and genital capsule as described for E. viridis ( Fig. 156 View Figures 155–163 ).

♀: Unknown.

HOLOTYPE: ♂, Colombia: “ Colombia ; Amazonas; Leticia; 6 VI 1974; 1551 // Vanillin; R. L. Dressler ” ( FSCA).

PARATYPES (6♂♂): Ecuador : 3♂♂, “ECUADOR, Napo; September 1987; Dressler, Hills,; Whitten, Williams // anisyl acetate” (two in FSCA, one in SEMC) . 2♂♂, “ECUADOR: Napo Prov.; Jatun Sacha Biol.; Sta., 23 km. E. Puerto ; Napo, 15-18-X-1988; S. Dunkle // Euglossa ; viridis (Perty) ; det. R. L.Dressler,1989” ( FSCA) . 1♂, “ Euglossa perviridis ; Rio Tapiche II; Peru; S 5°51’5.10”; W 74°0’3.33”; leg./det.; P. Gettleuber ; 8/3/2008 349a” ( MUSM) .

ETYMOLOGY: The specific epithet is a matronym honoring the late Celia Díaz Díaz, mother of the senior author.

COMMENTS: Individuals of this species share features with both E. viridis and E. azurea , although the combination of characters observed diagnose them clearly as a distinct species. In terms of coloration, males (the only gender known) of E. celiae have cyan on areas that would be blue-purple in E. viridis , a more noticeable green coloration throughout, and narrower paraocular lines ( Figs. 29–31 View Figures 29–30 View Figures 31–37 ). Puncture density on the mesepisternum is comparable to E. azurea . The mesotibial anterior tuft in E. celiae is intermediate when compared to E. viridis and E. azurea , and it is distinguishable by having a mid-width comparable to that of the contiguous velvety area ( Fig. 146 View Figures 144–154 ), while in the other two species the contiguous velvety area is either noticeably narrower ( Fig. 144 View Figures 144–154 ) or wider ( Fig. 145 View Figures 144–154 ). The species is known at present from only a few specimens from the western areas of the Amazon Basin in Colombia, Ecuador, and Peru ( Fig. 170 View Figure 170 ), although it must certainly occur in nearby areas of Brazil.

R

Departamento de Geologia, Universidad de Chile

FSCA

Florida State Collection of Arthropods, The Museum of Entomology

SEMC

University of Kansas - Biodiversity Institute

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Apidae

Genus

Euglossa

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