Biology:Halictoxenos borealis

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Short description: Species of insect

Halictoxenos borealis
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Strepsiptera
Family: Stylopidae
Genus: Halictoxenos
Species:
H. borealis
Binomial name
Halictoxenos borealis
Kifune, Hirashima & Maeta, 1982[1]

Halictoxenos borealis is a species of the order Strepsiptera of flying insects, that parasitize sweat bees (Lasioglossum).[2]

Nakase and Kato (2021)[3] found that the parasitised bees (Lasioglossum apristum) changed their behaviour and visit flowers not to forage but to release the first-instar larvae of their parasite Halictoxenos borealis.

It seems that only female Halictoxenos borealis made their host bees visit flowers. Parasitised bees kept visiting nectarless flowers (Hydrangea serrata in this study), even though this behaviour might have had negative effect on them.[3]

Bees that were parasitized by a female strepsipteran during the larval-releasing stage, may encourage the discharge of mobile first-instar larvae onto flowers. This behavior benefits the parasite. Only once the larvae have reached a specific stage of development may streptopteran parasites affect the behavior of their host. It is only adult females who parasite, no males nor immature females’ parasite the bees.[3]

References

  1. "Four new species of the genus Halictoxenos Pierce from Japan (Strepsiptera, Stylopidae)". ESAKIA 19: 151–160. 1982. doi:10.5109/2426. 
  2. "The genus Halictoxenos Pierce, 1908 (Strepsiptera, Stylopidae) in the Czech Republic and Slovakia.". Acta Musei Moraviae, Scientiae Biologicae 91: 69-82. 2006. doi:10.1093/jisesa/ieab066. 
  3. 3.0 3.1 3.2 "Bee-Parasitic Strepsipterans (Strepsiptera: Stylopidae) Induce Their Hosts' Flower-Visiting Behavior Change". Journal of Insect Science (Online) 21 (5). September 2021. doi:10.1093/jisesa/ieab066. PMID 34477875. 

Wikidata ☰ Q113228868 entry