. 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. KiG. 23s.—A tomato worm {Phlegelhontius sexto), bearing cocoons of the parasitic Apanteles congregatus. Natural size. {After Folsom.). Fig. 236.—Bassus earinoides. A braconid parasite of the budmoth. Much enlarged. Chalcidtd^ (Chalcid Flies) (Fig. 237) The great majority of Chalcis-flies are beneficial as parasites on injurious insects. They are minute metallic insects with stout heads 23. Please note that these images
. 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. KiG. 23s.—A tomato worm {Phlegelhontius sexto), bearing cocoons of the parasitic Apanteles congregatus. Natural size. {After Folsom.). Fig. 236.—Bassus earinoides. A braconid parasite of the budmoth. Much enlarged. Chalcidtd^ (Chalcid Flies) (Fig. 237) The great majority of Chalcis-flies are beneficial as parasites on injurious insects. They are minute metallic insects with stout heads 23. 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
