. The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment . Insect pests; Fruit. 304 Insect Pests. Eetz.; Xcmatu^ septentrionali^, Olivier; Xcmatns latimn:, Yillaret CVa'.s//'s scptcntriinicdix, Leach ; t'/v,'x«.s /a^/'Ti/.v, Stephens. LiFE-HlSTOEV AIvD HABITS. The sawfly appears in May and June, usually at the beginning of the latter month. It varies in length from a little less to sliglitly more than i inch. In colour it is black, shiny and covered with dense pubescence ; the. FIG. iOiA.—THE NUT ,^A\VFLV {Cro'sl!^ si'pteutfi^nKih'.^. Linn.).
. The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment . Insect pests; Fruit. 304 Insect Pests. Eetz.; Xcmatu^ septentrionali^, Olivier; Xcmatns latimn:, Yillaret CVa'.s//'s scptcntriinicdix, Leach ; t'/v,'x«.s /a^/'Ti/.v, Stephens. LiFE-HlSTOEV AIvD HABITS. The sawfly appears in May and June, usually at the beginning of the latter month. It varies in length from a little less to sliglitly more than i inch. In colour it is black, shiny and covered with dense pubescence ; the. FIG. iOiA.—THE NUT ,^A\VFLV {Cro'sl!^ si'pteutfi^nKih'.^. Linn.). A, adult: B. hirvio. abdomen has the two basal and two or three apical segments black, the rest brick-dust red. The legs are peculiar, the posterior pair being long, tlie apex of tlie tibi;e being dilated, flattened and hollowed on the inner side, metatarsus also dilated and flattened on the upper side (which is curved), and tlie metatarsus is much longer than all the other segments put together; the second segment is as long as the two succeeding. In colour' the legs are black, the cox;e and trochanters white, also the base of the hind femora, anterior tibi;v and tarsi, and half the po,sterior tiliia' mainly white; the apex of the anterior femora lirown beneath, anterior tibi;e and tarsi reddish at the , base of mid tarsi reddisli. The male differs from tlie female in ha\ing the femora reil, the apex of the posterior femora lilack above ; mouth and teguLv reddish. The femora are often jet black. Wings hyaline, but coloured on part. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Theobald, Frederick Vincent, 1868-1930. Wye, Eng. : Frederick V. Theobald
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectpests, bookyear