Insects affecting the orange . 86.—The Pruinose ) (Oiig- * Dr. S. W. Willistoti writes concerniiij^ this specii-s: They are eyideutly An-tbomyids, Imt I cannot place them in any of the Eiiiopean genera. I am ac(inaintodwith a nunibor of the Anthomyid genera, but this species difters from any I know iuthtj few bristles ou the bead and face. 186 INSECTS AFFECTING THE OKANGE. tious of the Ai)]iis-eatiiis Syrplius-iiies will apply equally to this iu,.-ect,aud it is found in comi)auy with them not alone upon the Orange, butamong various species of Aphis on other plants as well.
Insects affecting the orange . 86.—The Pruinose ) (Oiig- * Dr. S. W. Willistoti writes concerniiij^ this specii-s: They are eyideutly An-tbomyids, Imt I cannot place them in any of the Eiiiopean genera. I am ac(inaintodwith a nunibor of the Anthomyid genera, but this species difters from any I know iuthtj few bristles ou the bead and face. 186 INSECTS AFFECTING THE OKANGE. tious of the Ai)]iis-eatiiis Syrplius-iiies will apply equally to this iu,.-ect,aud it is found in comi)auy with them not alone upon the Orange, butamong various species of Aphis on other plants as well. Parasite.—A minute Hymeuoiiterous fly (a Pteromalid)® attacks thelarva and issues from the i)ui)arium through round holes eaten in itsside. Two specimens of the parasites were bred from a single pupariumof the fly. They issue in September. OTHER PREDATORY INSECTS FREftUENTING THE Fig. 87.—Polistes ; (After peedatoey wasps. POLISTES AMERiCANUS (Fabr.). [Figs. 87 and This large red wasp is fond of making its home under the den.^e foliageof the orange tree, and suspends its comb of paper to the branches. It is a large s[)ecies, and it;; sting isequal in severity to that of the-white-facedhornet. Fortunately, it is not an iiritablewasp, and is little inclined to use itsweapon, except- when its nest is most insects of its kind this waspis carnivorous, and to a great extent preysnpou caterpillars and soft-bodied these it feeds its young, first masti-cating the food into a pulpy ball, in orderthat it may readily be swallowed b^ itsyoung, Which are not providtd with horny jaws, and then presenting itto the latter in their cells in much the same fashion that a bird feedsits nestlings. Not only the grubs are fed in this way, but also the young-wasps which have recently issued from the pupa, andwhich do not for some
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherwashi, bookyear1885
