Abstract:
:Asexual lineages in the parasitoid wasp Lysiphlebus fabarum (Hymenoptera: Braconidae: Aphidiinae) have previously been shown to have occasionally undergone sexual reproduction and recombination with males from related sexual populations. In the present study, the cytogenetic system of asexual females in this species is shown by 4',6-diamidino-2-phenylindole dihydrochloride (DAPI) staining to be central fusion automixis. This system has the potential to allow occasional sex and recombination without leading to an elevation of ploidy and with the maintenance of at least some heterozygosity. No evidence of the bacterial symbiont Wolbachia was found, and the observed system was compared with that in parasitoid wasps where asexuality is the result of Wolbachia infection.
journal_name
Genomejournal_title
Genomeauthors
Belshaw R,Quicke DLdoi
10.1139/g02-112subject
Has Abstractpub_date
2003-02-01 00:00:00pages
170-3issue
1eissn
0831-2796issn
1480-3321pii
g02-112journal_volume
46pub_type
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