. Manual of fruit insects. FiG. 113. — Female white-marked tussock-moths depositing egg-masses on cocoons. 102 FRUIT INSECTS. Fig. 114. Male white-marked tussock-moth. woven, on the bark in the crotches of the trees or on fencesor houses near by. In about two weeks the moths hairy, grub-Uke, Ught-grayish females have mere stubsof wings, and usually remain on their empty cocoons until after they mate and lay amass of from 150 to over 700eggs thereon (Fig. 113). Thenearly spherical, yellowish-white eggs are covered by amass of conspicuous white,frothy material. The ashy-gray colored m
. Manual of fruit insects. FiG. 113. — Female white-marked tussock-moths depositing egg-masses on cocoons. 102 FRUIT INSECTS. Fig. 114. Male white-marked tussock-moth. woven, on the bark in the crotches of the trees or on fencesor houses near by. In about two weeks the moths hairy, grub-Uke, Ught-grayish females have mere stubsof wings, and usually remain on their empty cocoons until after they mate and lay amass of from 150 to over 700eggs thereon (Fig. 113). Thenearly spherical, yellowish-white eggs are covered by amass of conspicuous white,frothy material. The ashy-gray colored male moths havefeathery antennae and welldeveloped wings, which ex-pand about If inches (). The front wings arecrossed by undulated bandsof darker shades and bear aconspicuous white spot near the anal angle, hence the nameleucostignia or white-marked. The winter is always passedin the egg stage, the caterpillars hatching late in May inNew York. Natural enemies. This tussock-moth is beset by many enemies. At least 10different birds eat the caterpillars and doubtless do much tokeep the insect in check in orchards an
Size: 1717px × 1456px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915