|
Volume
48, Number 1,
May 2002:
Scorpionflies, Hangingflies, and other Mecoptera
Text-only version
![Cover photo: No. 39. Phidippus cardinalis [female]](slideshow/thumbnails/fig-0-frontcover.jpg)
ISSUE
HOME PAGE
ABOUT
THIS ISSUE
- about KSN
- about the author
IN THIS ISSUE
- The
Order Mecoptera
- Fossils
- Modern Species
- Family Panorpidae
- Family Bittacidae
- Family Meropeidae
- Family Panorpodidae
- Family Boreidae
- Key to the Families
of North American Mecoptera (Adults)
- References
SLIDESHOW
View all
images in this issue.
|
|
Scorpionflies,
Hangingflies, and other Mecoptera
by Geroge
W. Byers
Key
to the Families of North American Mecoptera (Adults)
| 1. |
Tarsi
each with a single, large terminal claw; wings long,
narrow, tapering toward base |
Bittacidae
|
|
Tarsi
each with two small claws; wings not slender near base |
2
|
| 2. |
Wings
sclerotized (hardened), without venation; those of male
slender, tapering toward apex, with apical spine; those
of female small, oval or rounded pads |
Boreidae
|
|
Wings
membranous, with distinct veins
|
3
|
| 3.
|
Wings
broadly rounded at apex, with 12 or more cross-veins
along costal (anterior) edge and more than 50 elsewhere
on fore wing |
Meropeidae
|
|
Wings
narrowly rounded at apex, with fewer than three cross-veins
along costal edge and fewer than 25 elsewhere on fore
wing |
4
|
| 4. |
Ventral
prolongation of head (rostrum) long and tapering toward
tip |
Panorpidae
|
|
Ventral
prolongation of head short; conspicuous “tooth” on lower
face at each side of rostrum |
Panorpodidae
|
|
