. The American entomologist. Entomology. THE AMERICAN ENTOMOLOGIST. 225 Astlns Fly Jjarvse.— ff. Paula, Hurelca, Mo—The [Fi". iGi]'' wliite boi'er-like worm '' which you fouiul J"' uiulor some weeds, anil which wc represent at Fig- V. urelGl, is the larva o( siniu' laruc Tw(i-win;;rtl rS tly. belonging most i)r(il>alily to the Asilus l';iiiiily. We know of no other kiiiil (if liirvie wliiili h:ivr. likfLthis one, two unguifonu appeutlaycs on tlie very i»etractile head, and two spiracles on the hack of both the first and eleventh segments. These larvic are known to live in the grou
. The American entomologist. Entomology. THE AMERICAN ENTOMOLOGIST. 225 Astlns Fly Jjarvse.— ff. Paula, Hurelca, Mo—The [Fi". iGi]'' wliite boi'er-like worm '' which you fouiul J"' uiulor some weeds, anil which wc represent at Fig- V. urelGl, is the larva o( siniu' laruc Tw(i-win;;rtl rS tly. belonging most i)r(il>alily to the Asilus l';iiiiily. We know of no other kiiiil (if liirvie wliiili h:ivr. likfLthis one, two unguifonu appeutlaycs on tlie very i»etractile head, and two spiracles on the hack of both the first and eleventh segments. These larvic are known to live in the ground, and to feed upon the roots of diflercnt |ilants. Tlioy transform in the ground to naked pupa', willi tlic limbs free, and during the montJi <if July the Hies issue. The larva of a quite common species {Asi- lus sericms. Say) feeds upon the roots of the llhu- .l)arb,and was bred to the perfect state by Harris. give you a good idea of these flies, we repre- sent, (Fig. 102), from Harris, this Silky Asilus (.'l«i7«s [Fig. 102.]. sericeous. Say). When onee these insects attain the fly state, thev no longer rel- ish the 've^'etable diet which satistied tliem as larva;, but tliey prey vo- raciously on other insects. One of these large flies is known in the West as the Bee-killer (Trupunea api- rora, Fitch), on account of the pernicious habit which it has of seizing and suck- ing out the vitals of the Honey-bee, and you will find an account of it on page 168 of the Missouri Entomological Report. Color—Brownish ycllow. New Insect-foe of tUe Blackberry—CJtas. Parnj, Vi/tnaminson, N. J.—The little 4-wiii^-eil flies. about }^ inch long when their wings are elosed, uiid with their wings steeply roofed like those ol iimsf rhml - lice (Aphis family), belong to the closely allied Flea-liee {Psi/lla lamily) and to the genus Psi/Ua. The Flea-liee are'distinguishable from the Plant-lice, 1st by the very ditt'erent veining of their wings, 2nd by the antemuc being kn
Size: 1492px × 1674px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, booksubjectentomology, bookyear1
