. Bulletin of the Department of Agriculture. Agriculture. 38 BULLETIN 427, U. S. DEPARTMENT OF AGRICULTURE. 1915. February 23.â1 Synipiesis stigmaiipennis adult issued. (Female.) February 25.â3 Sfjmpiesis sligmatipennis adults issued. (^lales.) Life cycle 26 days at average mean temperature of about 52° F. Longest life cycle noted, 45 days. CAMPOPLKX rTITHOUIMAKAE CUSHM.' Durino; 1013 a vorv fow adults of this species (fig. 25) were reared from tuber-moth material collected near Puente, Cal. These speci- mens could not be reared in the laboratory. In 1914 and 1915 the parasite became ver
. Bulletin of the Department of Agriculture. Agriculture. 38 BULLETIN 427, U. S. DEPARTMENT OF AGRICULTURE. 1915. February 23.â1 Synipiesis stigmaiipennis adult issued. (Female.) February 25.â3 Sfjmpiesis sligmatipennis adults issued. (^lales.) Life cycle 26 days at average mean temperature of about 52° F. Longest life cycle noted, 45 days. CAMPOPLKX rTITHOUIMAKAE CUSHM.' Durino; 1013 a vorv fow adults of this species (fig. 25) were reared from tuber-moth material collected near Puente, Cal. These speci- mens could not be reared in the laboratory. In 1914 and 1915 the parasite became very abundant, and was reared from tuber-moth larva^ provuijjj it to be a parasite of this Fig. â I'i. â Campopld phlhorimaeae; Adult female, with lateral view of abdomen. (Original.) ^^llph enlarged. Tests under laboratory conditions showed that it oviposits in the tuber-moth larva^ only where they act as leaf-miners, and prefers those about half gjruwii. The achilt has been noted oviposit uig both in the field and in the laboratory. It is so active that the tuber-moth ⢠Chittenden Nos. 2230''' and 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