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1 June 2014 A Biological Comparison of Tarnished Plant Bug (Hemiptera: Miridae) Populations from Mississippi's Major Agricultural Regions
B. Adams, J. Gore, A. Catchot, F. Musser, D. Dodds
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Abstract

A laboratory experiment was performed to compare fitness parameters of the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), populations collected from the Hills and Delta regions of Mississippi. Each population was split into two cohorts to be reared on cotton or artificial diet to make comparisons of food source and region of collection. Each population was maintained separately and allowed to mate. Nymphal survivorship from the F1 generation of each population from each region and food source was compared. Parameters measured included development times to fourth instar, fifth instar and adult, total nymphal survivorship, fecundity, and fertility. Populations collected from the Delta region and reared on cotton developed significantly faster at all life stages than other populations. Tarnished plant bugs from the Hills reared on cotton developed significantly slower than other populations, except those from the Hills reared on artificial diet. Populations reared on diet had significantly higher survivorship than those reared on cotton. Tarnished plant bug populations from the Delta region laid significantly more eggs per female per day than those from the Hills region. Populations reared on cotton also laid significantly more eggs per female per day than those reared on diet. Populations collected in the Delta region laid significantly more viable eggs per female per day than those from the Hills region. Tarnished plant bugs reared on cotton produced significantly more nymphs per female per day than those reared on diet. These data indicate there are differences in several fitness parameters between tarnished plant bug populations from the Hills and Delta regions of Mississippi.

© 2014 Entomological Society of America
B. Adams, J. Gore, A. Catchot, F. Musser, and D. Dodds "A Biological Comparison of Tarnished Plant Bug (Hemiptera: Miridae) Populations from Mississippi's Major Agricultural Regions," Environmental Entomology 43(3), 782-786, (1 June 2014). https://doi.org/10.1603/EN13169
Received: 7 June 2013; Accepted: 3 December 2013; Published: 1 June 2014
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KEYWORDS
BIOLOGY
ecology
Lygus lineolaris
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