. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 214 ECONOMIC ENTOMOLOGY matting the flour together and causing much damage. Full grown in 40 days. Pupa.—Formed in a cocoon; duration 11 days; cyHndrical, reddish- brown above and Hghter below; a cluster of small booklets at tip of abdomen. Control.—Fumigate with carbon bisulphide, carbon tetrachloride or hydrocyanic acid gas; or better still raise room to high temperature of 120-130° for 6 Fig. 133.—Mediterranean flour moth {Ephestia kuehniella): a, moth; b, same from side, re
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 214 ECONOMIC ENTOMOLOGY matting the flour together and causing much damage. Full grown in 40 days. Pupa.—Formed in a cocoon; duration 11 days; cyHndrical, reddish- brown above and Hghter below; a cluster of small booklets at tip of abdomen. Control.—Fumigate with carbon bisulphide, carbon tetrachloride or hydrocyanic acid gas; or better still raise room to high temperature of 120-130° for 6 Fig. 133.—Mediterranean flour moth {Ephestia kuehniella): a, moth; b, same from side, resting; c, larva; d, pupa; e, abdominal segments of larva; a-d, enlarged; e, more enlarged. {After Chittenden, U. S. Bur. Ent.) Indian Meal-moth {Plodia inter punctella Hbn.). Adult.—A pyralid moth, 5^^^ inch wing expanse. Fore wings with outer portion red- dish-brown with fine transverse markings, the middle copper and the inner portion grey; hind wings grey. A new generation in about five weeks. Eggs.—Small, whitish; as many as 350 eggs laid either singly or in clusters; hatch in 4 days. Larva.—One-half inch long, whitish or pinkish, sparsely hairy. Pupa.—Cocoon elliptical-cylindrical. Gelechiid^ Angoumois Grain Moth {Sitotroga cerealella Oliv.). Adult.—A small moth like a clothes moth; % inch long; yellowish-grey. Hind wing dark grey, bordered with fine silvery fringe. Fore wing with a black dot between base and middle. Eggs.—Milky-white to pale red;3-^o iiich long; bottle-shaped; 60-90 eggs hatching in 4 to 10 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
