10 
INSECTS. 
93 - 
94. - Apis. 
95. Formica. 
96. Mutilla. 
Sting pungent : upper wings folded. 
Sting pungent : tongue infleaed. 
Sting obfolcte : neuters without wings. 
Sting pungent: neuters without wings. 
VI. DIPTERA. IVuigs 
A. fVith prahofeis and fuchp. 
99. Diopf.s. 
98. ‘Tipula. 
Head 2-horned ; eyes terminal. 
Sucker without a ftieath : feelers 2, projeaing, 
filiform. 
too. Mitfca. 
Sucker without a (heath, furnilhed with brif- 
tles. 
lol. Tahanus. 
Sucker with a fingle-valved (heath, furnKhed 
with briftles. 
103. Empis. 
105. Canops. 
Probofeis infleaed. 
Probofeis projeaing, geniculate. 
B. 
With fucker, but no probofeis. 
97. Oejlrus. 
106. Aftlus, 
Sucker rctraaed within the perforated lips. 
Sucker flraight, 2-valved^ gibbous at the 
bale. 
104. Stomoxys. 
102. Culex. 
Sucker with a fingle valved Convolute (heath, 
geniculate at the bafe. 
Sheath exferted, i -valved, flexile, with c brif- 
tles. ^ 
107. Bombylus. 
108. Hippohojea. 
Sucker very long, flraight, fetaceous, 2-valved. 
Sucker (hort, cylindrical, flraight, 2-valved. 
VII. APTERA. Wings o. 
A. Legs G-. head dijiina from the thorax. 
tog. Lepi/ma. Tail ending in fetaceous briftles. 
1 10. Podura. Tail forked, infleaed, elaftic. 
111. Termes, Mouth with 2 jaws : lip horny, 4-cleft. 
1 1 2. Pediculus. Mouth armed with an exfertile fling. 
1 13. Pulex. Snout infleaed, armed with a fling ; feet form- 
V ed for leaping. 
B. Legs 
