. A manual of dangerous insects likely to be introduced in the United States through importations. o-rum Linnaeus; distributed fromOrient until now cosmopolitan; avery serious pest; peas. Vicia,Cytisus laburnum. (See text ) M. lentis Frolichs; Europe,Egypt, Syria, lentils. M. pallidi-cornis Boheman; lentils. -^Acan-thoscelides obtectus Say; now cosmo-FiG. 20.—The pea weevil (Mylabris pisorum): a, Beetle; h, politan; peas, cowpeas, lentils,larva; c, pupa. Enlarged. (Chittenden.) beans. (See text fig. 21.) ^Pachy- meruscMnensis Ijinnseua; now almost cosmopolitan; cowpeas, Phaseolus radiat
. A manual of dangerous insects likely to be introduced in the United States through importations. o-rum Linnaeus; distributed fromOrient until now cosmopolitan; avery serious pest; peas. Vicia,Cytisus laburnum. (See text ) M. lentis Frolichs; Europe,Egypt, Syria, lentils. M. pallidi-cornis Boheman; lentils. -^Acan-thoscelides obtectus Say; now cosmo-FiG. 20.—The pea weevil (Mylabris pisorum): a, Beetle; h, politan; peas, cowpeas, lentils,larva; c, pupa. Enlarged. (Chittenden.) beans. (See text fig. 21.) ^Pachy- meruscMnensis Ijinnseua; now almost cosmopolitan; cowpeas, Phaseolus radiatus, Caja-nus indicus, peas, lentils, beans, Dolichos. sorghum. (See text fig. 22.) *P. quadri-viaculatus Fabricius; now almost cosmopolitan; cowpeas, peas, beans. (See textfig. 23.) Desaiption: These weevils are small, somewhat flattened, rounded or oblong, withhead concealed beneath. The larvae breed in the seed of beans and peas and pupatethere. SoRAUER, P.: Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, pp. , F. H.: U. S. Dept. Agric, Yearbook 1898, pp. Spermophagus pectoralis Sharp. (Mexican bean weevil. Mylabrida?; Coleoptera.)Host: Beans. Injury: To dried beans, which it destroys for successive generations like the commonbean weevil.
Size: 2162px × 1156px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
