. Report of the State Entomologist of Connecticut for the year ... rence for apple, the list of foodplants in Europe includes also pear, hawthorn or thorn, mountainash, birch and possibly willow. Several Hymenopterous parasiteshave been reported by European writers and one, Diodes obliteratusCresson, has been reared in New York State. Description. Larva:—Length nearly one-half inch when full-grown, greenish-yellowin color with black, tubercular spots varying greatly in size and bearinghairs. Head amber, with irregular dark-brown line at the lateral dorsalangle adjoining the first thoracic segm
. Report of the State Entomologist of Connecticut for the year ... rence for apple, the list of foodplants in Europe includes also pear, hawthorn or thorn, mountainash, birch and possibly willow. Several Hymenopterous parasiteshave been reported by European writers and one, Diodes obliteratusCresson, has been reared in New York State. Description. Larva:—Length nearly one-half inch when full-grown, greenish-yellowin color with black, tubercular spots varying greatly in size and bearinghairs. Head amber, with irregular dark-brown line at the lateral dorsalangle adjoining the first thoracic segment. Antennae yellowish brown,legs pale yellow. Pupa:—Length, about one-fourth of an inch, rather stout, dark bronzyyellow, head dark-brown. The white silken cocoon is about five-eighths ofan inch long and one-fourth of an inch broad, fastened to the upper sur-face of the leaf, frequently along the mid-rib. The pupa can be seenfaintly, and before the moth emerges, wriggles partly out from the cocoon,the pupal shell often projecting from it. (See Plate X, b.). Figure 10. Adult of apple and thorn skeletonizer, four times enlarged.(After Felt, Cornell Extension Bulletin 27, 1918.) . Adult:—Wing-spread of shghtly less than half an inch, grayish-brownto dark brown usually with purplish tinge, fore-wing marked with a ratherbroad broken angulate dark band near basal third, and another less dis-tinct but more regular dark band crossing the wing near the distal between these bands is grayish but variable in color, and usuallymarked by one or more dark spots near the costal margin. The head,thorax and abdomen are covered with dark brown scales shading into ormottled with yellowish-brown or purplish-brown and quite wings dark fuscous. Both wings margined with purple side lighter with two whitish spots on costal margin of fore-wings. Illustrations of the larva, cocoon, adult moth and the injured leaves areshown in figures 7-10 and on Plate X, a.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901
