Epimetopus rectus, Perkins, 2012
publication ID |
C1FA90AF-1C31-45D6-9CB6-C7D3058E501C |
publication LSID |
lsid:zoobank.org:pub:C1FA90AF-1C31-45D6-9CB6-C7D3058E501C |
persistent identifier |
https://treatment.plazi.org/id/3601F35E-9E47-9327-A3F8-FD33FC59DC23 |
treatment provided by |
Felipe |
scientific name |
Epimetopus rectus |
status |
sp. nov. |
Epimetopus rectus View in CoL , new species
Figs. 50 (habitus), 54 (aedeagus), 147 (map)
Type Material. Holotype (male): Costa Rica: Heredia, OTS La Selva Field Sta., Puerto Viejo de Sarapique, Rio Puerto Viejo , at light, 10° 26' N, 18° 59' W, 5–11 iii 1973, J. Wagner & J. Kethley ( FMNH) GoogleMaps . Paratypes (10): Costa Rica: Cartago, Cimarrones at Rio Cimarrones , black lights, 10° 6' N, 83° 25' W, 23 xi 2002, W. Shepard (3 SEMC) GoogleMaps ; Heredia, La Selva Biol. Res. Stn. , 3 km S Puerto Viejo, ex. blacklight, elev. 80 m, 10° 26' N, 84° 1' W, 4 vi 2001, Chatzimanolis (CR1C01019) (3 SEMC) GoogleMaps ; La Selva Biological Station , HG-vapor lights, 10° 25' N, 84° 1' W, 14–15 i 2005, A.E.Z. Short (3 SEMC) GoogleMaps ; OTS La Selva Field Sta., Puerto Viejo de Sarapique, Rio Puerto Viejo , at light, 10° 26' N, 18° 59' W, 5–11 iii 1973, J. Wagner & J. Kethley (1 FMNH) GoogleMaps .
Differential Diagnosis. This species has a slightly sinuate anterior margin of the pronotal hood, and the submarginal groove of the hood is relatively wide, otherwise the habitus ( Fig. 50) is very similar to that of several other members of the Costatus group; reliable determinations will be based on examination of the aedeagus. The aedeagus is small, very narrow, and has narrow, straight parameres ( Fig. 54). The median lobe shape could perhaps be compared with that of E. panamensis ( Fig. 39), but internally the median lobes are very different, the internal sac being narrower and much more densely spiculate in E. rectus , and the general proportions of the aedeagi are markedly different.
Description. Size: holotype (length/width, mm): body (length from anterior margin of pronotum to elytral apices) 1.51/0.79; head (width) 0.45; pronotum 0.59/0.58; elytra 0.97/0.79. Habitus and sculpture as illustrated ( Fig. 50). Head black, dorsum brown to reddish brown, venter and coxae dark brown, maxillary palpi testaceous. Eye with ca. 3–4 facets between canthus and posterior margin. Protibiae slightly arcuate. Elytra with elongate granules linking punctures. Metaventral depression moderately deep, ca. six granules along base.
Etymology. Named in reference to the straight parameres of the aedeagus.
Distribution. Currently known only from Costa Rica ( Fig. 147).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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