Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . Fig. 2. Fig. The Kucky Mouutuiu Locust auil its Youujj EXPLANATION OF PLATE LXIII. Fig, 1. Larva of Harpalus, feeding on eggs of locust; enlarged. (Emerton del.) Fig. 2. Larva of Anthomyia radicum, var. CaJopteni Riley, feeding on eggs of , larva, enlarged twice ; 6, pupa-case, natural size; c, the same raagnified twice. Thecross-lines represent the length of body and expanse of wing of the fly, which is mag-nified three times.—(After
Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . Fig. 2. Fig. The Kucky Mouutuiu Locust auil its Youujj EXPLANATION OF PLATE LXIII. Fig, 1. Larva of Harpalus, feeding on eggs of locust; enlarged. (Emerton del.) Fig. 2. Larva of Anthomyia radicum, var. CaJopteni Riley, feeding on eggs of , larva, enlarged twice ; 6, pupa-case, natural size; c, the same raagnified twice. Thecross-lines represent the length of body and expanse of wing of the fly, which is mag-nified three times.—(After Curtis.) Fig. 3. Red-tailed Tachina fly (after Riley), a, a larva of Tachina which preys outhe European cabbage-butterfly, introduced to illustrate the maggot of Tachina. Fig. 4. Trombidium sericeum Say, natural size aud magnified. Fig. 5. The Red mite, young oi a species of Trombidium {Aatoma gryllaria Le Baron);enlarged. Fig. 6. Gordius aquaticus. A, egg; B, egg undergoing segmentation of the yolk ; C,embryo (gastrula) with the primitive stomach an infold of the outer germinal layer ofcells (ectoderm); D, embryo farther advanced; E, larva, with the three
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectb, booksubjectinsects
