Pseudotoglossa marginella (Bates)

Erwin, Terry L., 2004, The beetle family Carabidae of Costa Rica: The genera of the Cryptobatida group of subtribe Agrina, tribe Lebiini, with new species and notes on their way of life (Insecta: Coleoptera), Zootaxa 662, pp. 1-54: 44-46

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Pseudotoglossa marginella (Bates)


Pseudotoglossa marginella (Bates) 

( Figs. 25View FIGURE 25, 26View FIGURE 26, 39View FIGURE 39)

Otoglossa marginella Bates 1883: 199  . Lectotype, female, labeled by me in BMNH (The Natural History Museum, London). Type locality: PANAMÁ, Bugaba.

Common name. Margined false­tongued carabid beetle.

Diagnosis. With the attributes of the genus as described above and head, antennal scape, prothorax, femora, and elytra black, dorsum with faint metallic blue reflections; venter of head and thorax black; abdomen, apical extreme margin of elytron, apical 2 / 3 of tibia, and tarsomeres rufous; antennal flagellum and palpi infuscated. Pronotum markedly narrow, side margin beaded, not explanate, moderately sinuate anterior to hind angles, subangulate at mid­lateral setiferous pore. Elytral intervals slightly convex.

Description. ( Fig. 25View FIGURE 25). Size small: ABL = 5.33 to 5.87 mm, SBL = 4.83 to 5.66 mm, TW = 1.83 to 2.66 mm. Color: See Diagnosis. Wings pale. Luster: Very shiny. Microsculpture: Dorsal surface of head and elytra with very shallowly impressed isodiametric meshes, meshes slightly transverse on pronotum. Head: Markedly broader across eyes than pronotum; frontal furrows shallowly impressed to front margin of eye; eyes very large, hemispheric; frons and vertex continuously swollen, not divided; ultimate labial palpomere slightly securiform; antennae of moderate length, reaching just posterior of humerus. Prothorax: Moderately convex, side margin narrowly explanate in anterior half, beaded in basal half, subangulate at mid­lateral setiferous pore, moderately sinuate anterior to hind angle. Hind angles slightly lobed posterior to seta. Pterothorax: Normal for Agrina, fully winged. Legs: Normal for Agrina. Abdomen: Sterna normal for Agrina, mostly glabrous, except normal paired ambulatory setae and a few very short and scattered setae on sterna 3–5; males and females with two pairs long setae on sternum 6. Male genitalia: Phallus ( Fig. 26View FIGURE 26) with ostium 1 / 4 its length, catopic; Phallus apex slightly elongate, knobbed; endophallus with long flagellum, flagellum apex barbed. Parameres asymmetric, left larger than right, right small.

Way of life. Unknown, but probably like other members of the genus. The known altitudinal range of this species is between 50 and 500 meters above sea level. Adults have been obtained west of the Cordillera Central in March, April, and July, hence they are active in both the dry and rainy seasons in the lowlands.

Other specimens examined. COSTA RICA. 1 female, PUNTARENAS, Estación La Leona, Alrededores, 100–200 m, 08° 27 ' 35 ” N, 83 ° 29 ' 15 ” W, July (A. Azofeifa)( INBIO: INB00035116213), 2 females, 5 males, Peninsula de Osa  , Rancho Quemado, 200, 08° 40 ' 44 ” N, 83 ° 34 ' 00” W, April (J.C. Saborio)( INBIO: female, CRIAbout CRI 000672994, male, CRIAbout CRI 000672997), (F.A. Quesada)( INBIO: males CRIAbout CRI 000366574, CRIAbout CRI 000354689, CRIAbout CRI 000453907, CRIAbout CRI 000354651, female CRIAbout CRI 000366494), 1 female, Quepos, 80 m, 09° 24 ' 0 N, 084° 09' 0 W, June (R.A. Zuniga)( INBIO: CRIAbout CRI 001334590), 1 female, Táracoles, Estación Quebrada Bonita  , 50 m, 09° 46 ' 0 N, 084° 36 ' 0 W, March–April (P. Campos)( INBIO: CRIAbout CRI 000869164); 1 female, SAN JOSÉ, 1.5 km N Bijagual, Estación Bijagual, 500 m, 09° 44 ' 49 ” N, 084° 33 ' 48 ” W, March (J.C. Saborio)( INBIO: CRIAbout CRI 002215067).

Geographic distribution. ( Fig. 39View FIGURE 39). Known only from lower Central America in Costa Rica and Panamá.


Universidade do Extremo Sul Catarinense, Bairro Universitário














Pseudotoglossa marginella (Bates)

Erwin, Terry L. 2004


Otoglossa marginella

Bates 1883: 199