Accession Number:

ADA510195

Title:

Cytogenetic Evidence for a Complex of Species within the Taxon Anopheles maculatus (Diptera: Culicidae)

Descriptive Note:

Journal article

Corporate Author:

WALTER REED BIOSYSTEMATICS UNIT WASHINGTON DC

Report Date:

1985-01-01

Pagination or Media Count:

9.0

Abstract:

Two largely independent studies of chromosomes from natural populations of anopheles maculatus provide evidence for several genetic species within the taxon. 1 Polytene chromosome variation shows four different rearrangements of arm 2 and three rearrangements of the X chromosome. There is strong evidence for three species. Two allopatric populations represent either dramatic geographic variation for two independent inversion systems within one of the genetic species, or represent two additional species. Their species status remains unresolved by this work. 2 Heterochromatic variation occurs in both X and Y chromosomes as revealed by Giemsa-banding of mitotic chromosomes from larval brains. The distribution and association of these various sex chromosomes give further evidence of a species complex. A preliminary correlation of these two kinds of chromosomal variation is given.

Subject Categories:

  • Biology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE