Swarming and mating activity of Anopheles gambiae mosquitoes in semi‐field enclosures

Swarming and mating activity of Anopheles gambiae mosquitoes in semi‐field enclosures

Anopheles gambiae Giles sensu stricto (Diptera: Culicidae) is the major Afro‐tropical vector of malaria. Novel strategies proposed for the elimination and eradication of this mosquito vector are based on the use of genetic approaches, such as the sterile insect technique (SIT). These approaches rely...

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Bibliographic Details
Published in:Medical and veterinary entomology Vol. 30; no. 1; pp. 14 - 20
Main Authors: ACHINKO, D., THAILAYIL, J., PATON, D., MIREJI, P. O., TALESA, V., MASIGA, D., CATTERUCCIA, F.
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01-03-2016
Wiley Subscription Services, Inc
Subjects:
Animal behavior
Animal reproduction
Animals
Anopheles - physiology
Anopheles gambiae
Culicidae
Diptera
Entomology
Female
genetic control
Housing, Animal
Kenya
malaria
Male
mating
Mosquitoes
semi-field
Sexual Behavior, Animal
sterile insect technique
swarming
vector control
Anopheles gambiae
swarming
sterile insect technique
genetic control
malaria
vector control
mating
semi-field
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Summary:Anopheles gambiae Giles sensu stricto (Diptera: Culicidae) is the major Afro‐tropical vector of malaria. Novel strategies proposed for the elimination and eradication of this mosquito vector are based on the use of genetic approaches, such as the sterile insect technique (SIT). These approaches rely on the ability of released males to mate with wild females, and depend on the application of effective protocols to assess the swarming and mating behaviours of laboratory‐reared insects prior to their release. The present study evaluated whether large semi‐field enclosures can be utilized to study the ability of males from a laboratory colony to respond to natural environmental stimuli and initiate normal mating behaviour. Laboratory‐reared males exhibited spatiotemporally consistent swarming behaviour within the study enclosures. Swarm initiation, peak and termination time closely tracked sunset. Comparable insemination rates were observed in females captured in copula in the semi‐field cages relative to females in small laboratory cages. Oviposition rates after blood feeding were also similar to those observed in laboratory settings. The data suggest that outdoor enclosures are suitable for studying swarming and mating in laboratory‐bred males in field‐like settings, providing an important reference for future studies aimed at assessing the comparative mating ability of strains for SIT and other vector control strategies.
Bibliography:http://dx.doi.org/10.1111/mve.12143
MALVECBLOK - No. 223601
Anorep - No. 260897
ArticleID:MVE12143
INFRAVEC - No. 228421
istex:791FB9DEDC6FA2390E49FB5CA641E177A88A2EFD
ark:/67375/WNG-P304WLT5-P
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0269-283X
1365-2915
DOI:10.1111/mve.12143