. Bulletin of the Department of Agriculture. Agriculture. 26 BULLETIN 100, U. S. DEPARTMENT OF AGEICULTURE. ductive organ white, when extended about as long as antennal joint IV. Beak pale yellow, extending a little beyond the first pair of coxae. Sterna and ai^ical half of the underside of the head dark brown. Very often one or more of the dusky abdominal spots are absent. Measurements: Length of body, mm.; width of body, mm.; wing expanse, mm.; cauda, mm.; antennal joint I, mm.; joint II, mm.; joint III, mm.; joint IV, mm.; joint V, nam
. Bulletin of the Department of Agriculture. Agriculture. 26 BULLETIN 100, U. S. DEPARTMENT OF AGEICULTURE. ductive organ white, when extended about as long as antennal joint IV. Beak pale yellow, extending a little beyond the first pair of coxae. Sterna and ai^ical half of the underside of the head dark brown. Very often one or more of the dusky abdominal spots are absent. Measurements: Length of body, mm.; width of body, mm.; wing expanse, mm.; cauda, mm.; antennal joint I, mm.; joint II, mm.; joint III, mm.; joint IV, mm.; joint V, nam.; joint VI, mm.; filament, mm. Described from four specimens collected at San Jose, Cal., in Fig. 13.— MoneUia caryx: Winged male, a, Iveft antenna. (Original.) THE LITTLE HICKORY APHIS (Monellia caryella Fitch). Aphis caryella Fitch, [First] Report on the noxious, beneficial, and other insects of the State of New York, Albany, p. 163-165, 1855. Callipterus caryellus Fitch, Third report on the noxious and other insects of the State of New York, Albany, p. 448-449, 1856. Monellia caryella, Oestlund, Geol. & Nat. Hist. Survey Minn. Bui. 4, p. 45, 1887. HISTORY OF THE SPECIES. The little hickory aphis was first collected in New York State by Dr. Asa Fitch, previous to the year 1855. The following is Fitch's original description: The Little Hickory Aphis (Aphis caryella) is pale yellow with white antennae which ai'e alternated with black rings, the wings are transparent and without spots, their veins slender and pale yellow, the legs yellowish white to their ends. Length to the tips of the "wings. The abdomen is depressed, egg-shaped, its apex slightly. 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 :
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