Effect of body size on swarming behavior and mating success of male Anopheles freeborni (Diptera: Culicidae)

B. Yuval*, J. W. Wekesa, R. K. Washino

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

82 Scopus citations

Abstract

We examined whether body size affects the swarming behavior and mating success of male Anopheles freeborni near California rice fields. Swarms formed after dusk and persisted for approximately 30 min. The proportion of males in 33 swarms sampled n=6028ranged from 100 to 92% but decreased over time (r=0.73, t=6.03, P<0.001). On average, swarming males (n=1058) were larger than males sampled from the resting population (n=735, H=35.6, P<0.0001), indicating that some males never swarm at all. Males swarming early were significantly smaller than those swarming during the peak (H=6.71, P=0.009)or final minutes of the swarm (H=4.86, P=0.002). Mated males returned to the swarm after mating, and larger males enjoyed greater mating success than did smaller ones (n=398, H=16.1, P=0.0005).

Original languageAmerican English
Pages (from-to)333-342
Number of pages10
JournalJournal of Insect Behavior
Volume6
Issue number3
DOIs
StatePublished - May 1993
Externally publishedYes

Keywords

  • Anopheles
  • Culicidae
  • mating system
  • sexual behavior

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