. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 271 and may lay several times; hatch in about 8 hours in mid-summer. Laid in horse manure, pig manure, and to a less extent in other manure, human excreta, in decaying grain, moist bran, moist mixtures of hay and grain from feed troughs, in excreta-soiled straw, decaying kitchen refuse, rotting fruits, vegetables, in Fig. i73.^The common house-fly (Musca doyne
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 271 and may lay several times; hatch in about 8 hours in mid-summer. Laid in horse manure, pig manure, and to a less extent in other manure, human excreta, in decaying grain, moist bran, moist mixtures of hay and grain from feed troughs, in excreta-soiled straw, decaying kitchen refuse, rotting fruits, vegetables, in Fig. i73.^The common house-fly (Musca doynesticd). Puparium at left; adult next; larva and enlarged parts at right. All enlarged. {After Howard.) Larva.—At first glistening white; two moults; duration about 5 days; yellowish when full grown, slender in front and truncate behind; a large hook above the mouth; active. Develops in horse manure and other filth in substances more or less alkaline. ^ Pupa.—^Puparium nearly cylindrical, dark chestnut; duration 3-4 days. Duration of Hfe-cycle 10-14 days. Prob- ably seven to ten generations develop be- tween April 15th and October loth. It hibernates as larva or pupa in the South but probably more commonly as adult in the North. (Consult Howard's and Hewitt's books on "House ;) Stable Fly {Stomoxys calcitrans Linn.). —Occurs in stables, yards, shady groves, dwellings, etc. Adult.—Resembles house-fly, but has piercing mouth-parts; bright golden tinge at front end of median, light stripe on thorax; six black lines on thorax; dorsal surface of abdomen with a number of nearly round dark spots. Bite severe but not poisonous. A carrier of disease; breeds in moist straw and 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-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
