A new species Megabruchidius sophorae (Coleoptera, Bruchidae), feeding on seeds of Styphnolobium (Fabaceae) new to bruchidae

Midori Tuda, Katsura Morimoto

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A new species Megabruchidius sophorae (Insecta, Coleoptera) is described from Japan (Honshu). The larval host of this bruchid is the seeds of the tree legume 'enju', or chinese scholar tree, Styphnolobium japonicum (a senior synonym of Sophora japonica), which is a new host genus to Bruchidae. Styphnolobium is positioned basally in molecular phylogeny of the leguminous subfamily Papilionoideae. Other members of Megabruchidius are known to feed on Gleditsia, the tree legumes that belong to the most ancestral subfamily Caesalpinioideae. Therefore, Megabruchidius utilizes ancestral groups of legumes as its host plants. Megabruchidius has been inferred to be ancestral, based on its behavior. The character state of the host for this third Megabruchidius species supports that the genus is ancestral, at least in the subfamily Bruchinae. We also reviewed the genera closely related to Megabruchidius, i.e., Bruchidius and Sulcobruchus in Bruchidini, and wrote a key to the species in the genus Megabruchidius.

Original languageEnglish
Pages (from-to)105-110
Number of pages6
JournalZoological science
Volume21
Issue number1
DOIs
Publication statusPublished - Jan 1 2004

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Styphnolobium
Bruchidae
Styphnolobium japonicum
Fabaceae
legumes
Coleoptera
new species
Bruchidius
Gleditsia
seeds
Japan
Caesalpinioideae
Faboideae
seed trees
Insecta
host plants
phylogeny

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

Cite this

A new species Megabruchidius sophorae (Coleoptera, Bruchidae), feeding on seeds of Styphnolobium (Fabaceae) new to bruchidae. / Tuda, Midori; Morimoto, Katsura.

In: Zoological science, Vol. 21, No. 1, 01.01.2004, p. 105-110.

Research output: Contribution to journalArticle

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