Journal
BULLETIN OF ENTOMOLOGICAL RESEARCH
Volume 106, Issue 5, Pages 598-605Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007485316000304
Keywords
cross-mating; Thaumatotibia leucotreta; host; clade; mtDNA
Categories
Funding
- Fruit-Gro Science
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The false codling moth is a polyphagous pest of various kinds or fruit, and it has expanded its geographical distribution and host range. The expanding host range could result in subspecies requiring varied pest management options. Laboratory no-choice cross-mating tests were conducted to establish whether Thaumatotibia leucotreta individuals from six areas and three host species, in South Africa, share mating characteristics and belong to the same subspecies or strain. The no-choice cross-mating tests indicated that all individuals in self-and out-crosses readily mated within 24 h with those derived from different hosts and areas. The mtDNA results confirmed that all individuals formed one group or clade. Overall, the results indicate that T. leucotreta individuals from the six areas and three host species in the Western Cape Province and two other provinces in South Africa represent a single genetical species. The results imply that similar control options can be effective across host ranges and distribution areas.
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