Molecular diagnostics of three Diabrotica (Coleoptera: Chrysomelidae) pest species

Allen L. Szalanski, Thomas O. Powers

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A 257 bp region of the mitochondrial ND4 gene was analyzed for genetic variation in three species of corn rootworm, southern corn rootworm (Diabrotica undecimpunctata howardi Barber, SCR), northern corn rootworm (D. barberi Smith and Lawrence, NCR), and western corn rootworm (D. virgifera virgifera LeConte, WCR). Nucleotide sequencing revealed 26 polymorphic sites. Genetic distances averaged 8% for all pair-wise comparisons among the three species. Restriction maps were constructed from sequence data and compared to potential species specific restriction sites. Polymerase chain reactionrestriction fragment length polymorphism (PCR-RFLP) revealed three restriction enzymes (Alu I, Apo I and Sau 3A) which produced diagnostic patterns for both adults and larvae. Only NCR showed intraspecific polymorphism.

Original languageEnglish (US)
Pages (from-to)260-266
Number of pages7
JournalJournal of the Kansas Entomological Society
Volume69
Issue number3
StatePublished - Jul 1 1996

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Diabrotica barberi
Diabrotica undecimpunctata howardi
Diabrotica
Diabrotica virgifera virgifera
Chrysomelidae
genetic polymorphism
pests
Coleoptera
genetic distance
nucleotides
genetic variation
corn
larvae
enzymes
genes

ASJC Scopus subject areas

  • Insect Science

Cite this

Molecular diagnostics of three Diabrotica (Coleoptera : Chrysomelidae) pest species. / Szalanski, Allen L.; Powers, Thomas O.

In: Journal of the Kansas Entomological Society, Vol. 69, No. 3, 01.07.1996, p. 260-266.

Research output: Contribution to journalArticle

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