. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. FEVER FLY. 129 Fever Fly.* DilophuH viiljarh, Meigen; D. febrilis, Dilophus vulgaris: Female Fly magnified and nat. size, flying round Hop-cones. This Fly sometimes appears in vast swarms, and in the most various kmds of places. It appeared amongst the Hop
. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. FEVER FLY. 129 Fever Fly.* DilophuH viiljarh, Meigen; D. febrilis, Dilophus vulgaris: Female Fly magnified and nat. size, flying round Hop-cones. This Fly sometimes appears in vast swarms, and in the most various kmds of places. It appeared amongst the Hop! cones at Eamham, in Kent, in 18827 it has been observfdTn enormous numbers off the Norfolk coast: in 1862 it was re Zti^' ^^''^'''^ ^^ ^^"^"^« ^° fl«^^r« ^^d in bunches on grasses. win f^^ bf i^^"/»g Of April, in 1884, specimens of larv^ were forwarded to me from near Sittingbourne, with the in formation that they were found in a piece of Hop-root sent accompanying, and appeared to be feeding on it, and that the same kind of grubs were then rather numerous in the Hop! hills. The piece of Hop was partly decayed, and, on cleaning it to gain a sight of the state of surface, it appeared freshlf injured as if the grubs were feeding on it,~Lt is, on the live part, not merely on the decayed matter outside. ^^ A tew days later it was reported from Sharsted that. Ihese grubs appear to be doing much damage to the Hon' plants by gnawing away the original plant, and considerable quantities of them may be found even at one ; ihese little grubs were only about a quarter of an inch in ength and like small Daddy Longlegs grubs in shape-that SoFi '^ and legless-but more prickly, and with the head brown or chestnut-coloured; and about three weeks later a further supply was sent, of which some were then gone on to the chrysalis stage-whitish, and which (like the Tipulide fnci^f^ Long egs chrysalids) showed the shape of the insect forming within. ^ The flies began t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
