Psephenops, Grouvelle, 1898
publication ID |
https://doi.org/ 10.11646/zootaxa.4323.1.8 |
publication LSID |
lsid:zoobank.org:pub:081A06F5-76A4-438A-85C8-959E1E183C73 |
DOI |
https://doi.org/10.5281/zenodo.6025172 |
persistent identifier |
https://treatment.plazi.org/id/BE3A6F5B-814C-EF4D-16AE-0D21FA610893 |
treatment provided by |
Plazi |
scientific name |
Psephenops |
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Key to adult males of Psephenops View in CoL from Mesoamerica
(Modified from Arce- Pérez & Novelo-Gutiérrez 2013)
1 Pronotum with 3 small tuberculiform prominences; elytra with several longitudinal ridges on disc............... grouvellei
- Pronotum without tuberculiform prominences, elytra without longitudinal ridges on disc............................. 2
2 Protibiae with a denticle................................................................................ 3
- Protibiae without a denticle........................................................................ prestone
3 Tarsal lobes enlarged ( Fig. 17 View FIGURES 17 – 25 )........................................................................... 4
- Tarsal lobes short ( Fig. 18 View FIGURES 17 – 25 )............................................................................. 5
4 Basal half of parameres, in dorsal view, separated by a deep cleft ( Fig. 5 View FIGURES 5 – 8 )......................................... 7
- Basal half of parameres, in dorsal view, fused ( Fig. 13 View FIGURES 13 – 16 )........................................................ 9
5 Parameres truncated ( Fig. 19 View FIGURES 17 – 25 ); 4th maxillary palpomere at least twice as long as preceding palpomeres.............. s mithi
- Parameres not truncated; 4th maxillary palpomere not as above.................................................. 6
6 Parameres strongly convergent on apical third, medial margin of each paramere separate each other by a narrow, drop-like cleft ( Fig. 20 View FIGURES 17 – 25 )......................................................................................... lupita
- Parameres more or less parallel on apical third, medial margin of each paramere separate each other by a wide, U-shaped cleft ( Fig. 21 View FIGURES 17 – 25 )....................................................................................... shepardi
7 Apices of parameres, in dorsal view, spine-like, widely divergent ( Fig. 22 View FIGURES 17 – 25 ).............................. spiniparameri
- Apices of parameres, in dorsal view, convergent, not spine-like ( Figs 20, 21 View FIGURES 17 – 25 )...................................... 8
8 Prosternal process flat, with apex lanceolate. Penis with a small, lateral tooth ( Fig. 23 View FIGURES 17 – 25 )....................... mexicanus
- Prosternal process subcylindrical, with apex bifid. Penis lacking lateral projections ( Fig. 5 View FIGURES 5 – 8 )...................... bifidus
9 Small individuals, length less than 2.4 mm, antennae moniliform-serrate, parameres truncate, with apex straight ( Fig. 24 View FIGURES 17 – 25 ).............................................................................................. panamaensis
- Large individuals, length greater than 2.5 mm, antennae not serrate, parameres not truncate.......................... 10
10 Antennae long, filiform; fore- and middle legs with segments 1 and 2 lobulate, hind legs only with segment 1 lobulate (Haiti)............................................................................................. haitianus
- Antennae short, moniliform; all legs with segments 1 and 2 lobulate............................................ 11
11 Elytra slightly striate. Parameres, in dorsal view abruptly widened on apical fifth, with apex rounded; penis digitiform and y slightly produced apically ( Fig. 25 View FIGURES 17 – 25 ).............................................................. maculicollis
- Elytra smooth. Parameres, in dorsal view, uniformly widened, apex subtriangular; penis digitiform, not produced apically, with a basal, lateral, subtriangular projection to each side ( Fig. 13 View FIGURES 13 – 16 ).......................................... triangularis
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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