. Entomology for medical officers. Insect pests; Insects as carriers of disease. ORDER COLEOPTERA: BEETLES 239 (a) BruchidcB, or pea-weevils—the larvae live in seeds, and Bruchus pisi and fabi are notorious pests of peas and beans. The adults of these are small plump beetles with the head produced into a broad beak, the hind femora more or less swollen, and the tip of the abdomen not covered by the elytra; the larvse are fat maggots without legs (except when first hatched), and with a pair of broad serrated teeth on the pronotum. (b) Chrysomelidm—an enormous family of small beetles destructive
. Entomology for medical officers. Insect pests; Insects as carriers of disease. ORDER COLEOPTERA: BEETLES 239 (a) BruchidcB, or pea-weevils—the larvae live in seeds, and Bruchus pisi and fabi are notorious pests of peas and beans. The adults of these are small plump beetles with the head produced into a broad beak, the hind femora more or less swollen, and the tip of the abdomen not covered by the elytra; the larvse are fat maggots without legs (except when first hatched), and with a pair of broad serrated teeth on the pronotum. (b) Chrysomelidm—an enormous family of small beetles destructive to plants; they are oval in shape, convex, and often of a bright metallic colour; the larvae of some species do much damage to certain "roof-crops, among these is the larva of the notorious Colorado potato- beetle (Fig. 107).. 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 Alcock, A. (Alfred), 1859-1933. London, Gurney & Jackson
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Keywords: ., bookcentury1900, bookdecade1910, bookpubl, booksubjectinsectpests
