Euschistus sulcacitus, Rolston. Rolston, 1971
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publication ID |
https://doi.org/ 10.11646/zootaxa.4362.3.2 |
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publication LSID |
lsid:zoobank.org:pub:852AFFC6-42E7-4C52-A5B9-5FFA4E6759CC |
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DOI |
https://doi.org/10.5281/zenodo.5669927 |
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persistent identifier |
https://treatment.plazi.org/id/6033878D-F940-CC43-0BD9-FA1F2DF4C599 |
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treatment provided by |
Plazi |
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scientific name |
Euschistus sulcacitus |
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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, 14 View FIGURES 6–20 ); posterior region of ductus receptaculi proximalis dilated in a cup-like sclerotized structure ( Figs 61, 62 View FIGURES 60–64 )........................................... 2
1’. Posterior margin of pygophore sinuate, convex mesially in ventral view or mesial third slightly sinuose ( Figs 8, 17, 20 View FIGURES 6–20 ); posterior region of ductus receptaculi proximalis straight, dilated or not, not sclerotized. ( Figs 60, 63, 64 View FIGURES 60–64 ).................. 3
2(1). Broad black carina anterolaterad of parameres on lateral wall of genital cup ( Fig. 10 View FIGURES 6–20 ); posterior margin of gonocoxites VIII slightly sinuose in posteroventral view ( Figs 49, 50 View FIGURES 45–59 )............................................ E. olacitus Rolston
2’. Small black denticle anterolaterad of parameres on lateral wall of genital cup ( Fig. 13 View FIGURES 6–20 ) posterior margin of gonocoxites VIII strongly sinuose in posteroventral view ( Figs 52, 53 View FIGURES 45–59 )......................................... E. palacitus Rolston
3(1’). Posterior margin of pygophore quite convex mesially in ventral view ( Fig. 6 View FIGURES 6–20 ); laterotergites IX surpassing dorsal band that unites laterotergites VIII in posteroventral view ( Figs 46, 47 View FIGURES 45–59 )................................ E. corcovacitus Rolston
3’. Posterior margin of pygophore slightly sinuose in ventral view ( Fig. 15, 18 View FIGURES 6–20 ); laterotergites IX not surpassing dorsal band that unites laterotergites VIII in posteroventral view ( Figs 55, 56, 58, 59 View FIGURES 45–59 )............................................. 4
4(3’). Inferior layer of ventral rim concave mesially in posterior view ( Fig. 16 View FIGURES 6–20 ); posterior margin of gonocoxites VIII mesially deeply concave ( Figs 55, 56 View FIGURES 45–59 )................................................................. E. sulcacitus Rolston
4’. Inferior layer of ventral rim mesially tumescent in posterior view ( Fig. 19 View FIGURES 6–20 ); posterior margin of gonocoxites VIII mesially slightly concave ( Figs 58, 59 View FIGURES 45–59 ).............................................. E. tacitus Bianchi & Grazia sp. nov.
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