University of the State of New York Bulletin (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...seem to have delayed the apeavaiice of insects.--Ap. 28. Webs of the appletree tent caterpillar (Malacosoma auiericana Fabr.) hegan to appear Ap. 30 and were by no means abundant May 0. The weather has been too cold for any rapid increase in insect life.--)fay 7. Plant lice have appeared on wild cherrtrees, and the currant worm (Pteronus ribesii Scop.) is at work, both eggs and larvae being found. No nests of tent caterpillars have been observed this week. The weather is warm and dry.--May I'/. Potato beetles (Doryphora 10-lineata Say) were observed May 16, and cur rant lice (Myzus ribis Fabr.) were just appearing on the leaves on the same date.--May 21. Black flea beetles (Crepidodera cucumeris Ilarr.) are appearing on potato leaves, and some insect is feeding quite generally on plantains, (very probably Dibolia borealis Chev.). Horn flies (H a e m a tobia serrata Rob.-Desv.) are quite numerous on cattle. An examination shows that eggs of the currant worm are abundant. Elm foliage is full of holes, probably Ihe work of Larvae of the elm flea beetle (1) i s o n y c h a t r i a n g n 1 a r i s Say).--Mny 27. Terminal leaves of elms are badly twisted and wrinkled by aphis attack, very probably Schizonenra am eric an a Riley. Potato beetles are very rarely seen, though many eggs have been observed. The foliage of the few potatoes above ground is badly eaten by the black (lea beetle. Nests of the appletree tent caterpillar are very scarce and with but few tenants. Currant aphis continues abundant.--June 3. Hose beetles (Macrodactylus s u b s p i n o s u s Fabr.) were observed for the first time on rosebushes June 4, and considerable damage has been inflicted. A species of plant louse (Ckaitophorus negundinis Thos.) has apjpeared somewhat...