400 
INSECTS. NEUROPTERA. 77. Hemcrobius. 
77. HEMEROBIUS. Mouth with a 
horay mandible, the jaw cyiinchi^'‘. 
flraight cleft: feelers 4:, unequal fildo*'*^J’, 
femmataO: wings defledted, not 
antennae fetaeeous, pmjedting, lo^S 
than the thorax which is -convex. 
Like the Ephemerae, thefe infefts are very (hort lived and in 
ftateof their exiftence prey with unceafing avidity upon P* ^1,5 
lice : the lar^a is 6-footcd, generally ovate and bairv » 
pupa moftly folliculatc ; the eggs are depofited in clullfj'f j, 
the leaves of plants, each placed on a fma'I gummy f 
Many of them when touched have an excrementitious i** 
PeSinicor- 
nis. 
A. Lip cylindrical membranaceous annulate. SembI**' 
Antenna: peftinate : wings white with brown 
nerves fubarticulate with white. 
Inhabits South America, Degeer. InJ. 3. tab, zp.jig’ 3. 
maths 
an- 
Grtjeus, Wings grey fpotted with white. 
Inhabits Africa. jgl 
Head and thorax ferruginous varied vi ith black : Icrvser- 
black at the bafe. 
Atratus Wings whitilh; upper-pair fpotted with black: 
black. 
Inhabits In themufeum of Sir. yy 
Head black, front covered with cinereous hair ; thorax 
hairy with a cinereous line each fide : abdomen black 
an oblong teftaccous fpot towards the tip. ' 
Punflatus 
Fufeatus, 
V 
Brown ; wings white-fpotted with brown, the nerve* 
ted with white and black. 
Inhabits— In the mufeum of Sir Jif. Banks. 
s brown fpotted with 
the bafe. 
Inhabits Eaji India. 
Head ferruginous ; meuth black : thorax dulky. 
white ; lower-ones 
I • 
black 
•L'starisij Black ; wings ftriate whitifh fpotted with W’hite. 
Inhabits Degeer. hif.T,' tab.ll. fg. 14. if* 
B. Lip homy, rounded at the tip, vaulted- 
