A new species of Callosobruchus (Coleoptera

Bruchidae) feeding on seeds of Dunbaria (Fabaceae), a closely related species to a stored-bean pest, C. chinensis

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A bean beetle, Callosobruchus utidai new species, is described based on material from Nepal and Thailand. Morphological analysis indicated that it is most closely related to a widely-distributed stored-bean pest, C. chinensis. The larval host plants are the seeds of legumes Dunbaria rotundifolia and D. podocarpa. This is the first bruchid reported to feed on the seeds of Dunbaria. The narrow host range of the species is in contrast to the host range of the pest C. chinensis, which is associated with many legume species of the tribe Phaseoleae and with diverse economic legumes in the subfamily Papilionoideae. Comparison of the host ranges suggests that C. utidai is not of economic importance at present because of oligophagy on non-economic legumes and limited geographical distribution.

Original languageEnglish
Pages (from-to)197-201
Number of pages5
JournalApplied Entomology and Zoology
Volume38
Issue number2
DOIs
Publication statusPublished - Jan 1 2003

Fingerprint

Dunbaria
Callosobruchus
Callosobruchus chinensis
Bruchidae
Fabaceae
beans
legumes
pests
host range
Coleoptera
new species
seeds
economics
Faboideae
Nepal
Thailand
geographical distribution
host plants

All Science Journal Classification (ASJC) codes

  • Insect Science

Cite this

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abstract = "A bean beetle, Callosobruchus utidai new species, is described based on material from Nepal and Thailand. Morphological analysis indicated that it is most closely related to a widely-distributed stored-bean pest, C. chinensis. The larval host plants are the seeds of legumes Dunbaria rotundifolia and D. podocarpa. This is the first bruchid reported to feed on the seeds of Dunbaria. The narrow host range of the species is in contrast to the host range of the pest C. chinensis, which is associated with many legume species of the tribe Phaseoleae and with diverse economic legumes in the subfamily Papilionoideae. Comparison of the host ranges suggests that C. utidai is not of economic importance at present because of oligophagy on non-economic legumes and limited geographical distribution.",
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