. 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 DESCRI"TION OF COMMON INSECTS 105 4. Gennan Cockroach or Croton Bug {Ectobia germanka L.), has a light brown thorax marked with two dark brown stripes. Bnlli sexes with well-developed wings. Active and wary, relatively â¢'s inch long. All the roaches have a foetid roachy odor, and are said to feed on ilie bedbug (Fig. 60). T
. 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 DESCRI"TION OF COMMON INSECTS 105 4. Gennan Cockroach or Croton Bug {Ectobia germanka L.), has a light brown thorax marked with two dark brown stripes. Bnlli sexes with well-developed wings. Active and wary, relatively â¢'s inch long. All the roaches have a foetid roachy odor, and are said to feed on ilie bedbug (Fig. 60). They are particularly abundant in pantries, kitchens and bakeries and they feed on almost any kind of dead animal matter and cereal products. The eggs are produced in a brown cap- sule which is often carried about for a time before deposited in a crev- iic or nook. Control.â\ bait of powdered borax mixed with sweetened chocolate; a trap of iiour and plaster-paris and water; fumigation with hydro-. PlG German roach germanica): a. first stage; b. second stage; 'â ,"""'."?«%'',⢠^°r}^ !'^8e; ,. adult; /. adult female with egg case; j, egg-case enlarged; *, adult w,th wings spread. All natural size except g. {FromRihy.) cyanic acid gas. Dust the runways or hiding places with sodium fluoride mixed with flour by means of a dust gun or blower. Boric acid is also effective. ORDER MANTOIDEA (PRAYING MANTIDS) Family ; The Praying Mantids are predaceous insects and for centuries have been looked upon as uncanny creatures both in the old and new worlds. The most common American species is Slagmomantis Carolina, liut this form does not breed normally north of southern New Jersey, IVrmsylvania and Oliici. In iSgg, however, the European spc. les ^1. 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 perfec
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
