Acanthocephala Laporte
publication ID |
https://doi.org/ 10.5281/zenodo.200531 |
DOI |
https://doi.org/10.5281/zenodo.6185307 |
persistent identifier |
https://treatment.plazi.org/id/FD756C7C-925A-E231-FF14-FEFEFA1A9F25 |
treatment provided by |
Plazi (2016-04-10 12:18:37, last updated 2024-11-27 11:12:22) |
scientific name |
Acanthocephala Laporte |
status |
|
Key to species of Acanthocephala Laporte View in CoL in America north of Mexico
( Figs. 1–4 View FIGURES 1 – 4 )
1. Metatibiae broadly dilated for almost entire length, ending abruptly near apex ( Figs. 5–8 View FIGURES 5 – 12 )............................ 2
1'. Metatibiae broadly dilated in basal 1/2, gradually narrowing beyond middle toward apex ( Figs. 9–12 View FIGURES 5 – 12 ).................. 3
2. Humeral angle of pronotum broadly rounded ( Fig. 1 View FIGURES 1 – 4 ), strongly extended laterally, elevated in posterior view ( Fig. 13 View FIGURES 13 – 14 ); metatibial expansions as in Figs. 5–6 View FIGURES 5 – 12 .................................................................... A. declivis View in CoL
2'. Humeral angles of pronotum more narrowly rounded, moderately extended laterally ( Fig. 4 View FIGURES 1 – 4 ), horizontal to slightly declivent in posterior view ( Fig. 14 View FIGURES 13 – 14 ); metatibial expansions as in Figs. 7–8 View FIGURES 5 – 12 .......................................... A. thomasi View in CoL
3. Metafemora of both sexes slightly expanded toward apex (occasionally parallel-sided or narrowed apically in males); both sexes lacking darkened areas beneath metacoxae on abdominal sternum 3 (second visible); antennal segment 4 red to yellow; metatibial expansions as in Figs. 9–10 View FIGURES 5 – 12 ............................................................ A. terminalis View in CoL
3'. Metafemora of males strongly incrassate, widest at middle, those of females slightly expanded; both sexes often with darkened areas beneath metacoxae on abdominal sternum 3; antennal segment 4 varying from concolorous with proximal segments to yellowish; metatibial expansion as in Figs. 11–12 View FIGURES 5 – 12 ................................................... A. femorata View in CoL .....................................................................................................
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1 (by plazi, 2016-04-10 12:18:37)
2 (by ImsDioSync, 2016-12-13 12:10:06)
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