. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE [MPORTED ELM LEAF-BEETLE [GaUruca xanthomelwna* Schrank.) Order Coleoptera ; family Fig. l.—Oalcnica xuntlwmeUraa: a. eggs; 6, laiviu: c, adults: e, eggs (eularged); /, sculpture of eggs: g, larva (enlarged); h, side view of greatly enlarged segment of larva; i, dorsal view of same: ./, pupa (enlarged); /. portion of elytron of beetle (greatly enlarged).—After Riley. The depredations of tliis pest bave uow becouie widely extended throughout the iS"ortheasterii States, rendering unsightly
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE [MPORTED ELM LEAF-BEETLE [GaUruca xanthomelwna* Schrank.) Order Coleoptera ; family Fig. l.—Oalcnica xuntlwmeUraa: a. eggs; 6, laiviu: c, adults: e, eggs (eularged); /, sculpture of eggs: g, larva (enlarged); h, side view of greatly enlarged segment of larva; i, dorsal view of same: ./, pupa (enlarged); /. portion of elytron of beetle (greatly enlarged).—After Riley. The depredations of tliis pest bave uow becouie widely extended throughout the iS"ortheasterii States, rendering unsightly aud almost worthless those most valuable shade trees of our cities—the elms. As its injuries are so far uukuowu iu the Mississippi Valley, the blighted appearance of the elms ou the Departinent grounds iu midsummer, and especially of the European varieties, at once attracted our attention when we first came to Washington, and a series of exi)eriments was begun with a view of checking the ravages of the insect. The excel- * This is the GaUruca eratwgi Forst., and G. calmariensis Fabr. Iu Crotcli's Check List it appears as GaleruceUa 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 United States. Bureau of Entomology. Washington : G. P. O.
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Keywords: ., bookcentury1800, booksubjectentomology, booksubjectinsects, booky
