Authors: VEAZEY, JOYCE NAFFZIGER; KAY, CAROL A. ROLPH; WALKER, THOMAS J.; WALKER, WILLARD H. WHITCOMB

Source: Annals of the Entomological Society of America, Volume 69, Number 2, 15 March 1976 , pp. 374-380(7)

Publisher: Entomological Society of America

Abstract:

A total of 7911 adults of 3 species of field crickets, Gryllus rubens Scudder, G. firmus Scudder, and G. ovisopis Walker, were collected during 4.5 yr in pitfall traps in fields at Tall Timbers Research Station near Tallahassee, FL. Gryllus rubens adults were trapped throughout the year with peak numbers in July, August, and September (n=4978) and with a 2nd, smaller peak in March, April, and May (n=236). Those collected during the spring peak were 10% macropterous and 33% male, while those collected during the summer peak were 32% macropterous and 42% male. No macropterous G. rubens were taken between Oct. 25 and March 16. Adults of G. firmus were trapped between Feb. 22 and Dec. 20 with peak numbers in June and July (n=1052) and again in September, October, and early November (n=1358). During the summer peak, 15% of the G. firmus were macropterous and 45% were male. During the fall peak, 3% were macropterous and 52% were male. Adult G. ovisopis were taken between Aug. 25 and Nov. 22 (n=249). All were micropterous and 72% were male. Seasonal patterns of macroptery and sex ratio differed among the 3 species.

Document Type: Research article

Publication date: 1976-03-15

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• Annals of the Entomological Society of America is published in January, March, May, July, September, and November. Annals especially invites submission of manuscripts that integrate different areas of insect biology, and address issues that are likely to be of broad relevance to entomologists. Articles also report on basic aspects of the biology of arthropods, divided into categories by subject matter: systematics; ecology and population biology; arthropod biology; arthropods in relation to plant diseases; conservation biology and biodiversity; physiology, biochemistry, and toxicology; morphology, histology, and fine structure; genetics; and behavior.
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