Orientation of agents of wound myiasis to hosts and artificial stimuli in Hungary

MARTIN J.R. HALL, ROBERT FARKAS, FERENC KELEMEN, MATTHEW J. HOSIER, JAMAL M. EL‐KHOGA

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Abstract. The orientation of adults of the myiasis species Wohlfahrtia magnified and Lucilia sericata to artificial visual stimuli (cloth targets) and olfactory stimuli (‘swormlure‐4’, a potent screwworm attractant), was studied in sheep pastures near to Sarbogard in Hungary. Experiments with odour‐baited cloth targets, enclosed in electrocuting grids, demonstrated that colour was an important factor influencing catches on targets: a black target caught most flies of both species, with other colours in the following order of effectiveness, blue > white > yellow. Wohlfahrtia magnified did not respond to swormlure‐4 in the strong manner that L. sericata did. The sex ratios of W. magnifica caught on targets (67.2% males) and hand‐netted from fence posts (68.8% males) were similar and biased towards males, whereas that of L. sericata on targets was strongly biased towards females (15.6% males), indicating a fundamental difference in the response of these two myiasis species towards the swormlure‐baited targets. The orientation of these two species towards hosts was also recorded together with that of a third species, Phormia regina. Electric nets placed beside infested sheep caught significantly more flies of all three species than those placed beside uninfested sheep or in the absence of sheep. The sex ratio of W. magnified caught around infested sheep was the reverse of that on targets, with 68.5% females. Wohlfahrtia magnifica responded more strongly to healthy, uninfested sheep than did L. sericata and P. regina. The potential for use of targets both for population monitoring and control is discussed.

Original languageEnglish
Pages (from-to)77-84
Number of pages8
JournalMedical and Veterinary Entomology
Volume9
Issue number1
DOIs
Publication statusPublished - Jan 1995

Keywords

  • Callipho‐ridae
  • Hungary
  • Lucilia seriedtd
  • Phormid regind
  • Sarcophagidae
  • Wohlfahrtia magnifica
  • behaviour
  • myiasis
  • olfactory
  • orientation
  • sheep
  • swormlure
  • targets
  • visual

ASJC Scopus subject areas

  • Parasitology
  • Ecology, Evolution, Behavior and Systematics
  • veterinary(all)
  • Insect Science

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