New species of Neoapenesia (Hymenoptera: Bethylidae) from Japan, with special remarks on female morphology and bionomics

Hikaru Sawada, Mamoru Terayama, Toshiharu Mita

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A bethylid wasp is described as Neoapenesia makiharai n. sp. based on adults obtained from dead wood collected from the Ryukyus, Japan. The male is distinguishable from N.leytensisTerayama, the monotypic species of the genus, on the basis of the following characteristics: presence of short 2Rs vein, rounded propodeum, absence of sculpture on propodeum, widened subgenital plate, and apically rounded aedeagus. The female of Neoapenesia is described for the first time. Its morphological characteristics closely resemble those of Apenesia, but sex association was confirmed by the following facts: partial mitochondrial COI gene sequences (582bp) of males and females were identical, and mating behavior was often observed. The female is easily distinguishable from females of Apenesia on the basis of the following characteristics: distinctly short antenna (not reaching posterior margin of head) and a disproportionately large head (head width about twice the dorsal pronotal width). Although females were active at night, males were active in the daytime and copulation was observed during this period. Since the female is larger than the male, phoretic copulation may not occur. Dead wood was collected and kept in plastic bags, from which a total of 16 species of coleopteran wood-borers and two predators were obtained together with N.makiharai n. sp. Many individuals of N.makiharai n. sp. were reared from dead wood severely affected by Cerecium longicorne and it was the most common species obtained from our wood samples. Therefore, the cerambycid species is considered a potential host species.

Original languageEnglish
Pages (from-to)324-329
Number of pages6
JournalEntomological Science
Volume17
Issue number3
DOIs
Publication statusPublished - 2014
Externally publishedYes

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Bethylidae
Hymenoptera
Japan
new species
ecology
dead wood
copulation
boring insects
plastic bags
mating behavior
wasp
antennae
antenna
plastic
predator
predators
nucleotide sequences
gene
gender

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

New species of Neoapenesia (Hymenoptera : Bethylidae) from Japan, with special remarks on female morphology and bionomics. / Sawada, Hikaru; Terayama, Mamoru; Mita, Toshiharu.

In: Entomological Science, Vol. 17, No. 3, 2014, p. 324-329.

Research output: Contribution to journalArticle

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