Abstract
Gonatopus viet Olmi, 1986 was originally described from Vietnam based on a single female. No further distribution records or hosts have been documented since its original discovery. In the present study, this species is newly recorded from China and its host is confirmed as Stirellus capitatus (Distant, 1918) using DNA barcoding techniques. The utility of DNA barcoding to discover host-Dryinidae associations is discussed.
Highlights
Species of Dryinidae (Hymenoptera: Chrysidoidea) are parasitoids and predators of Auchenorrhyncha (Hemiptera), many of which are important insect pests in agriculture and forestry (Olmi 1994)
The cytochrome oxidase subunit 1 (COI) sequences are over 99% identical between the adult wasp and the larva feeding on the leafhopper nymph, indicating that the wasp larva is conspecific with the adult wasp, i.e., G. viet
The COI sequences are over 99% identical between the parasitized leafhopper nymph and a female leafhopper adult, indicating that they are conspecific
Summary
Species of Dryinidae (Hymenoptera: Chrysidoidea) are parasitoids and predators of Auchenorrhyncha (Hemiptera), many of which are important insect pests in agriculture and forestry (Olmi 1994). These wasps are considered to be important biological control agents against Auchenorrhyncha pests and a number of them have been deployed for that purpose (Guglielmino and Olmi 1997; He and Xu 2002; Guglielmino et al 2013; Vétek et al 2019). The barcode region of the mitochondrial cytochrome oxidase subunit 1 (COI) could be used to identify all life states of animals (Hebert et al 2003)
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