. Common injurious insects of Kansas. Insect pests; Insects. 42 INJURIOUS INSECTS OF KANSAS. Rocky Mountain Locust (M. spretus Thomas), being distinguished from it by the shorter forewings (never extending, when folded, beyond tip of abdomen) and the bluntly rounded and broadly notched, instead of the rather narrowly rounded and acutely notched (spretus) tip of the last abdominal segment of the male, (See Fig. 12.) Our native Red-leg is non-migratory, and, while appearing locally numerous, rarely does serious damage. It ap- pears, winged, about the middle of August, or a little later. Doctor R
. Common injurious insects of Kansas. Insect pests; Insects. 42 INJURIOUS INSECTS OF KANSAS. Rocky Mountain Locust (M. spretus Thomas), being distinguished from it by the shorter forewings (never extending, when folded, beyond tip of abdomen) and the bluntly rounded and broadly notched, instead of the rather narrowly rounded and acutely notched (spretus) tip of the last abdominal segment of the male, (See Fig. 12.) Our native Red-leg is non-migratory, and, while appearing locally numerous, rarely does serious damage. It ap- pears, winged, about the middle of August, or a little later. Doctor Riley has noted that the period between hatching and maturity, at St. Louis, is about 70 days. DIFFERENTIAL LOCUST {Melanoplus differentialis Thomas). This is one of the most common native locusts, and often does con- siderable local damage, especially in the southwestern part of the State. This locust is larger than spre- tus or feynur-ru- brum, being about 1 â ! inches long and its wings expand- ing 2 2 inches, and is of a general bright yellowish- green color. "The head and thorax are olive-brown, and the front wings, very much of the same color and without other marks, have a brow nish shade at base; the hind wings being tinged with green; the hind thighs are bright yellow, especially below^ with the four black marks as in spretus; and the hind shanks are yellow with black spines, and a black ring near the ; This locust is partial to alfalfa and to various shade-trees. TWO-STRIPED LOCUST {Melanoplus bicittatus Say). This locust is of about the same size as differentialis, resembles it considerably, and is found in company with it. It is distin-. FlG. 20. DlTFEEENTIAL 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Kansas Stae Universit
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