582 
*llaeinar- 
i-hoidcilis. 
^I'eurinus. 
* O vi i 
INSECTS. DIPTERA. 97, CEftrus. 
Ltmt, TranfaB. iii. f. 298, tab. 23 fg, 7 — 9. 
Degeer. Inf 291. tab. l^./g. 16. 
Depouts it’s eggs on the haiis of Horfes, and always on th® 
parts which are moil liable to be licked with the tongae } 
either in the egg or larva Hate, are conveyed by the :ong«« 
the llomach, and pafling through the intellines with the f®®. 
are difenarged with the dung. Thcfe larva; are conun®*'’ f 
known by the name of bots. , ^ 
Ftext white downy, crown brown; ejts black dlllanf. 
brown, dufky in the midtile: abdomen yellow brown 
fpots at the incifarcs: Jcutel with 2 hairy tufts. 
browner, with a long incurved black appendage at the end ® 
the ajodomen. Larva round, pale green; the tail obtui® ' 
truncate; head tapering, the mouth horny with 2 lips and 
recurved black claws each fide the mouth ; fegmenti o(^ 
body fringed with 2 rows of rigid (pines turned downwards* 
2. Wings with a fingle oblong black fpot at the tip: abdoi®® 
cov'crcd with thick brown-ferrnginous hairs. 
CEllrus Vituli, Fabridus. Sf. Ent. ivtp, 231. 
Wings immaculate browniOi : abdomen black, the 
white and fulvous at the tip. 
L'mn. TranfaQ. iii./. 308. tab, t-l.jxg, ic — 13. 
Reaum.iai. i^.fg. 3. Larva, tab. 14. . ’ 
Depolits It’s eggs on the lips of Horfes, occalioning a titi!l*'^’‘’.J 
which caufes the animal when attached by it, to moy® 
head about violently, and gallop about with cyery appeaff®^ 
of djtlrefs. The larvse are conveyed through the intcib® 
like thofe of the laft fpecics. . ^ 
About half the fize (E. Equi; front white downy: thorax 
brown hairs, the fpace between the wings black: j 
hairy cinereous: legs rufous with black thighs; female qjy 
black incurved appendage behind : laiva kfs, but e**'" ^ 
reiembling the lad. 
Wings immaculate : body ferruginous / Tides of the 
anti bale of the abdomen with white hairs. 
Linn. IranfaB. iii. p. 312. tab. 23, fig. 18, 19. 
CEllrus nalalis. Gmeiin. (Efl. Equi. I abricius. 
Depofus it’s eggs on Horfes and Cattle : the larva; probably 
through the llomach like the former ones. 1,5 
Lefs than Oefl. Equi. Infertion of the -wings and bafe ,5 
abdomen covered with wbitifh hairs ; fecond fegment of ' 
abdomen with 2 hairy tubercles. Beneath and legs 
Female with fometimes a bluckifh abdomen. 
tVings pellucid, pundured at the bafe ; abdomen 
w-ith white and black. 
