. Bulletin of the Department of Agriculture. Agriculture. BIONOMICS OF THE CHINCH BUG. 11 FIRST INSTAR. Fig. 2, a. Head brown; width, mm.; eyes dark red; proboscis pale except tip which is dusky; antennal segments dusky, segment 4 of antenna about twice the length of any one of the others, points of articulation Fig. 2.—The chinch bug: a, Nymph, first instar; h, nymph, second iustar ; c, nymph, third instar; d, nymph, fourth instar ; e, nymph, fifth instar; f, adult of long-winged form; g, tip of abdomen of adult female, ventral view ; li, tip of abdomen of adult male, ventra
. Bulletin of the Department of Agriculture. Agriculture. BIONOMICS OF THE CHINCH BUG. 11 FIRST INSTAR. Fig. 2, a. Head brown; width, mm.; eyes dark red; proboscis pale except tip which is dusky; antennal segments dusky, segment 4 of antenna about twice the length of any one of the others, points of articulation Fig. 2.—The chinch bug: a, Nymph, first instar; h, nymph, second iustar ; c, nymph, third instar; d, nymph, fourth instar ; e, nymph, fifth instar; f, adult of long-winged form; g, tip of abdomen of adult female, ventral view ; li, tip of abdomen of adult male, ventral view. Greatly enlarged. Thorax mm. in width; legs pale, the tarsi distinctly two-jointed; pronotum brown and coriaceous over the whole surface, mm. in length; mesonotum pale except the small coriaceous patch on either side of the meson,. 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
