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swarming

NOT Open Access | Male swarming aggregation pheromones increase female attraction and mating success among multiple African malaria vector mosquito species

August 5, 2020 - 14:33 -- NOT Open Access
Author(s): 
Mozūraitis R, Hajkazemian M, Zawada JW, Szymczak J, Pålsson K, Sekar V, Biryukova I, Friedländer MR, Koekemoer LL, Baird JK, Borg-Karlson AK, Emami SN
Reference: 
Nat Ecol Evol. 2020 Aug 3

Accumulating behavioural data indicate that aggregation pheromones may mediate the formation and maintenance of mosquito swarms. However, chemical cues possibly luring mosquitoes to swarms have not been adequately investigated, and the likely molecular incitants of these complex reproductive behaviours remain unknown. Here we show that males of the important malaria vector species Anopheles arabiensis and An. gambiae produce and release aggregation pheromones that attract individuals to the swarm and enhance mating success.

Comparison of swarming, mating performance and longevity of males Anopheles coluzzii between individuals fed with different natural fruit juices in laboratory and semi-field conditions

May 6, 2020 - 16:11 -- Open Access
Author(s): 
Charles Nignan, Abdoulaye Niang, Abdoulaye Diabaté, et al.
Reference: 
Malaria Journal 2020 19:173, 6 May 2020

It is assumed that malaria vectors feed on locally available nectar sources to obtain energy. Sugar feeding is energetically critical for the Anopheles male swarming and mating activities. However, little is known about the impact of local nectar feeding on male physiological development and its consequences on male mosquito life traits in the malaria control context. This study aimed to evaluate the influence of local fruit juices on the life traits of males Anopheles coluzzii.

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