. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS l6l LiJe-history.~U hibernates as an adult under rubbish, in out- buildings, etc. In spring the adult the young squash plants by sap punctures, and at that time lays c^gs; nymphs reach maturity in July-August. Two broods in a ⢠easor. in the South. Co»/ro/.-Spray with keros - emulsion; tra
. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS l6l LiJe-history.~U hibernates as an adult under rubbish, in out- buildings, etc. In spring the adult the young squash plants by sap punctures, and at that time lays c^gs; nymphs reach maturity in July-August. Two broods in a ⢠easor. in the South. Co»/ro/.-Spray with keros - emulsion; trap the adults under bits of board; destroy the egg-masses; destroy the vines in fall; plant early squash plants among the cucumbers and melons as traps Lyg^id^ (Chinch Buns, eto.) Chinch Bug {Blissus hucopterus Say).- (Consult 'lull, oc. 111 Agr txp. Stn.; Bulls 15, 69; Circ. 113; Farmers' Bull. 132, Div. Knt., U. b. Uept. Agr.) A serious native Ameri- lan pest, especially in the Central States to cereals and corn crops and to timothy meadows; widely distributed in the Eastern half of the Continent from the West Indies to Canada. Adult.~\ black bug, li inch long; wings white and marked by a small black triangle (>ri their outer margins; bases of the antenna: and the legs are red. Short winged forms m the East and along the sea coast and ^reat Lakes. April-May, and August (Figs. 104 and 105). â fi«iâCylindrical, â >{ qo inch long;squarer 111 one end; whitish at first, becoming amber-ed. Ill .Vlay, but in 10 days in August. . moults, the successive instars showing changes in and markings, the first three often called the red stages In the iir^l stage it is pale red throughout with a yellow band across the base of .iiMomen; in the second stage the head and prothorax become darker abdomen vermiUon with pale yellow band; in the stage the ,s decidedly darker throughout, and in the fourth the has ilisippeared, general color varyi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
