Pupal cases of Nearctic robber flies (Diptera: Asilidae)
Author
Dennis, D. Steve
Author
Barnes, Jeffrey K.
Author
Knutson, Lloyd
text
Zootaxa
2008
2008-09-03
1868
1
1
98
https://biotaxa.org/Zootaxa/article/view/zootaxa.1868.1.1
journal article
10.11646/zootaxa.1868.1.1
11755334
5133591
Key to known pupal cases of Nearctic species of
Heteropogon
1 Proboscial sheath without tubercles posteriorly; apex of maxillary sheath with small palpal sheath near juncture with proboscial sheath; posterior mesothoracic spine present; thorax lacking dorsolateral bristlelike spines; abdominal segment 1 with dorsal transverse row of 12–13 recurved spurs, median pair short, outer spurs often shorter than inner spurs; abdominal segment 7 with 6 long spurs alternating with 1–4 short spines; segment 8 with 2 dorsal spurs on each side of midline ......
Heteropogon macerinus
(Walker)
Proboscial sheath with minute tubercles posteriorly on each side of median furrow; maxillary sheath without tubercle; posterior mesothoracic tubercle lacking spine, with 2 long, curved bristlelike spines; thorax dorsolaterally with 2 long, curved, median bristles; abdominal segment 1 with dorsal transverse row of 17 apically recurved spurs, dorsolateral and middle spurs shorter; abdominal segment 7 with 6 long spurs, spines absent; abdominal segment 8 with pair of long dorsomedian spurs......
Heteropogon wilcoxi
James