Torymus rosariae Graham and Gijswijt, 1998

Matsuo, Kazunori, 2020, A revision of Japanese Torymus Dalman (Hymenoptera: Torymidae), Zootaxa 4758 (3), pp. 401-441 : 428

Torymus rosariae Graham and Gijswijt, 1998

Figs 18 a–b

Torymus rosariae Graham and Gijswijt, 1998: 143 .

Specimens examined. Paratype: 1 ♀, emerged on 27 May 1967 from a gall of Rabdophaga rosaria on Salix repens collected by W. Nijveldt in March 1966 from Vogelenzang, Bloemendaal, North Holland, Netherlands (BMNH). Other specimens: 1 ♂, emerged on 5–8 May 1975 from a gall of Rabdophaga rosaria on Salix integra collected by K. Yamagishi on 24 April 1975 from Tazawakoobonai, Senboku, Akita, Japan (BLKU); 3 ♀, emerged on 9–12 May 1975 from a gall of Rabdophaga rosaria on Salix integra collected by K. Yamagishi on 24 April 1975 from Tazawakoobonai, Senboku, Akita, Japan (BLKU); 1 ♂, emerged on 28 April – 4 May 1975 from a gall of Rabdophaga rosaria on Salix integra collected by K. Yamagishi on 18 April 1975 from Takanashi, Ojiya, Niigata, Japan (BLKU); 4 ♀, emerged on 5–8 May 1975 from a gall of Rabdophaga rosaria on Salix integra collected by K. Yamagishi on 18 April 1975 from Takanashi, Ojiya, Niigata, Japan (BLKU); 1 ♀, emerged on 22 April 2004 from a gall of Rabdophaga rosaria on Salix integra collected by S. Sato on 3 April 2004 from Tsuruki, Ishikawa, Japan (BLKU).

Distribution. Japan (Honshu); Europe. This is a new distributional record of T. rosariae from Japan.

Host information. Torymus rosariae is known as a parasitoid of Rabdophaga rosaria (H. Loew) ( Diptera : Cecidomyiidae ) that induces galls on Salix repens L. ( Salicaceae ) in Europe ( Graham & Gijswijt 1998). In Japan, this species was reared from R. rosaria on S. integra Thunb. (gall photo: C–004 of Yukawa & Masuda 1996).

Figures

FIGURE 18 a–b. T. rosariae ♀. a, head, frontal view; b, propodeum, dorsal view.