Relationship between susceptibility to insecticides and fecundity across populations of cotton aphid (Homoptera

Aphididae)

Robert G. Hollingsworth, Bruce E Tabashnik, Marshall W. Johnson, Russell H. Messing, Diane E. Ullman

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We measured the relationship between susceptibility to 4 insecticides and fecundity across 15 populations of cotton aphid, Aphis gossypii Glover, from Hawaii. Multiple regression showed that the relationship between the logarithm of LC50 and mean daily progeny production in the absence of insecticide exposure was negative for esfenvalerate (a pyrethroid), positive for methomyl (a carbamate), and not significant for endosulfan (an organochlorine) or oxydemeton-methyl (an organophosphate). The association between methomyl susceptibility and fecundity was not evident in a simple regression analysis, which suggests that major fitness costs of resistance to one insecticide can obscure relationships between fitness and resistance to other insecticides.

Original languageEnglish (US)
Pages (from-to)55-58
Number of pages4
JournalJournal of Economic Entomology
Volume90
Issue number1
StatePublished - Feb 1997

Fingerprint

insecticide resistance
Aphididae
Homoptera
insecticide
fecundity
cotton
insecticides
methomyl
oxydemeton-methyl
fitness
esfenvalerate
Aphis gossypii
carbamate (ester)
endosulfan
pyrethroid
organophosphate
carbamates
organophosphorus compounds
pyrethrins
Hawaii

Keywords

  • Aphis gossypii
  • Fecunditis
  • Fitness cost
  • Insecticide resistance

ASJC Scopus subject areas

  • Insect Science

Cite this

Relationship between susceptibility to insecticides and fecundity across populations of cotton aphid (Homoptera : Aphididae). / Hollingsworth, Robert G.; Tabashnik, Bruce E; Johnson, Marshall W.; Messing, Russell H.; Ullman, Diane E.

In: Journal of Economic Entomology, Vol. 90, No. 1, 02.1997, p. 55-58.

Research output: Contribution to journalArticle

Hollingsworth, Robert G. ; Tabashnik, Bruce E ; Johnson, Marshall W. ; Messing, Russell H. ; Ullman, Diane E. / Relationship between susceptibility to insecticides and fecundity across populations of cotton aphid (Homoptera : Aphididae). In: Journal of Economic Entomology. 1997 ; Vol. 90, No. 1. pp. 55-58.
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