Euschistus sulcacitus

Bianchi, Filipe Michels, Barão, Kim Ribeiro & Grazia, Jocelia, 2017, Review of the sulcacitus group of Euschistus (Pentatomidae: Pentatominae: Carpocorini) with description of the internal female genitalia and a new species, Zootaxa 4362 (3), pp. -1--1: -1

publication ID

https://doi.org/10.11646/zootaxa.4362.3.2

publication LSID

lsid:zoobank.org:pub:852AFFC6-42E7-4C52-A5B9-5FFA4E6759CC

persistent identifier

http://treatment.plazi.org/id/6033878D-F940-CC43-0BD9-FA1F2DF4C599

treatment provided by

Plazi

scientific name

Euschistus sulcacitus
status

 

Key to species of sulcacitus  group adapted from Rolston (1974).

The first couplet of the following key correspond to Rolston (1974) couplet 36.

1. Posterior margin of pygophore bissinuate, concave mesially in ventral view ( Figs 11, 14View FIGURES 6–20); posterior region of ductus receptaculi proximalis dilated in a cup-like sclerotized structure ( Figs 61, 62View FIGURES 60–64)........................................... 2

1’. Posterior margin of pygophore sinuate, convex mesially in ventral view or mesial third slightly sinuose ( Figs 8, 17, 20View FIGURES 6–20); posterior region of ductus receptaculi proximalis straight, dilated or not, not sclerotized. ( Figs 60, 63, 64View FIGURES 60–64).................. 3

2(1). Broad black carina anterolaterad of parameres on lateral wall of genital cup ( Fig. 10View FIGURES 6–20); posterior margin of gonocoxites VIII slightly sinuose in posteroventral view ( Figs 49, 50View FIGURES 45–59)............................................ E. olacitus Rolston 

2’. Small black denticle anterolaterad of parameres on lateral wall of genital cup ( Fig. 13View FIGURES 6–20) posterior margin of gonocoxites VIII strongly sinuose in posteroventral view ( Figs 52, 53View FIGURES 45–59)......................................... E. palacitus Rolston 

3(1’). Posterior margin of pygophore quite convex mesially in ventral view ( Fig. 6View FIGURES 6–20); laterotergites IX surpassing dorsal band that unites laterotergites VIII in posteroventral view ( Figs 46, 47View FIGURES 45–59)................................ E. corcovacitus Rolston 

3’. Posterior margin of pygophore slightly sinuose in ventral view ( Fig. 15, 18View FIGURES 6–20); laterotergites IX not surpassing dorsal band that unites laterotergites VIII in posteroventral view ( Figs 55, 56, 58, 59View FIGURES 45–59)............................................. 4

4(3’). Inferior layer of ventral rim concave mesially in posterior view ( Fig. 16View FIGURES 6–20); posterior margin of gonocoxites VIII mesially deeply concave ( Figs 55, 56View FIGURES 45–59)................................................................. E. sulcacitus Rolston 

4’. Inferior layer of ventral rim mesially tumescent in posterior view ( Fig. 19View FIGURES 6–20); posterior margin of gonocoxites VIII mesially slightly concave ( Figs 58, 59View FIGURES 45–59).............................................. E. tacitus Bianchi & Grazia  sp. nov.