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  3. Delta pyriforme

Delta pyriforme

Basic information
Scientific name Delta pyriforme (No picture)
Common names
Higher taxon Eumenidae, Vespoidea, Hymenoptera
Natural range SE Asia, S Pacific.
Habitat Under Construction.
Invasion information
Range in Japan Ogaswara Islands (Chichijima, Anijima, and Ototojima Islands) Range in Japan
Origin Unknown. Ogasawara population has different morphology from the other known subspecies.
Date The first record was in 1990, in Chichijima Is.
Route Accidental introduction (details unknown)
Impact Actually: predation on native lepidoptera. Predation on noctuid and geometrid moths was recorded.
Native organism(s) affected: Native lepidoptera.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Unknown.
Reference Notes
  • DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki. (in Jpn)
  • JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha. (in Jpn)
  • etc.