For the first time in the Indochina region, wasps from the Cynipidae family have been discovered. Plagiotrochus indochinensis, Dryocosmus okajimai, and Synophrus vietnamensis are described in a new article appearing in the Annals of the Entomological Society of America.
P. indochinensis is probably a gall wasp, as the authors observed it inserting its ovipositor into a young oak tree sprout, and the others may be gall wasps as well.
P. indochinensis is named for its occurrence in the Indochina region, and Synophrus vietnamensis is named for its occurrence in Vietnam. Dryocosmus okajimai is named in honor of Professor S. Okajima, the principal investigator of the field survey in Vietnam.
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