Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . out willows in August (var. neradensis Stretch). I possess a malefrom Colorado which has still wider white bands on both wings thanfigured by Stretch. It also inhabits California {californica Stretch).The Californian moth apparently agrees, as Riley states, with Dr. Lint-ners variety bred in ]Sew York; the fore wings having no pale mark-ings. It thns appears to range fromMaine to California ; southward through-oat the Gulf State and
Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . out willows in August (var. neradensis Stretch). I possess a malefrom Colorado which has still wider white bands on both wings thanfigured by Stretch. It also inhabits California {californica Stretch).The Californian moth apparently agrees, as Riley states, with Dr. Lint-ners variety bred in ]Sew York; the fore wings having no pale mark-ings. It thns appears to range fromMaine to California ; southward through-oat the Gulf State and to Nevada.,, .„ „ , Riley states that the leaves of our dif- Fii;. o6.—i/. waia. eggs natural 8ize.— After Riley. ercut oaks afiford the usual food, and that the black masses of the prickly larvse are sometimes quite abundant on the young post, black, and red oaks along the Iron Mountain region. He has also found them abundantly INSECTS INJURING OAK-LEAVES. 163 on the scrub willow {Salix humilis) in northern Illinois, and on a rosebush, and states that they also occur on the common hazel, while Gloverrecords them as living on the wild black Fig. 57.—H. maia; a, larva fully grown; b, pupa—natural size; c, abdominal, d, thoracic spine, ofnewly-hatched larva; e, spine of larva after first molt; /, g, spine of larva after third and fourthmolts—enlarged.—After Riley. In the Central and Eastern States the moths begin to issue from theground late in September and early in October, the males almost al-ways appearing first (Riley). Both Lintner and Riley record caseswhere the moths were retarded a whole year. From a batch of larrse,which had all entered the ground before July 1, 1871, one moth did notissue till October 8, 1872. (Riley.)
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