Resources
Dichotomous Keys - Text Format

Keys To Common Families Of Neuroptera (Lacewings, Antlions, etc.)

No. From Description Go to Name
1a The front and hind wings are both narrow where they attach to the body Front and Hind Wings 3
1b The hind wings have a conspicuous "heel" where they attach to the body

Front and Hind Wings

2
2a 1b The body is usually at least 25 mm long; ocelli are present Corydalidae
Corydalidae
(Dobsonflies, Fishflies)
2b 1b The body is usually < 25 mm long; ocelli are missing Sialidae
Sialidae
(Alderflies)
3a 1a The prothorax is exceptionally long (like a mantid) 4
3b 1a The prothorax is not exceptionally long 6
4a 3a The front legs are enlarged and attached to the prothorax near the head Mantispidae
Mantispidae
(Mantidflies)
4b 3a The front legs are not enlarged and are attached to the prothorax near the middle legs (Snakeflies) 5
5a 4b Ocelli are present

Raphidiidae
(Raphidid Snakeflies)

5b 4b Ocelli are missing

Inocelliidae
(Inocellid Snakeflies)

6a 3b The antennae are clubbed 7
6b 3b The antennae are filiform, moniliform, or pectinate 8
7a 6a The antennae are much shorter than the body Myrmeleontidae
Myrmeleontidae
(Antlions)
7b 6b The antennae are about as long as the body Ascalaphidae
Ascalaphidae
(Owlflies)
8a 6b
Many cross veins fork before reaching the front edge of the wing (spread the wings to check which is the front edge

Hemerobiidae


Hemerobiidae
(Brown Lacewings)
8b 6b Few cross veins fork before reaching the front edge of the wing

9
9a 8b The body is usually greenish in color; these are found on plants Chrysopidae
(Green Lacewings)
9b 8b The body is usually brownish in color; these are found near ponds or streams Sisyridae
(Spongillaflies)


Back to Menu