Dolichomitus flavicrus Matsumoto, 2018

Sheng, Mao-Ling, Lü, Jun, Liao, Cheng-Jia, Li, Tao & Sun, Shu-Ping, 2022, Two species of Dolichomitus Smith, 1877 (Hymenoptera, Ichneumonidae, Pimplinae) parasitizing borers of Juglans mandshurica Maxim. and a key to species known from China, European Journal of Taxonomy 839, pp. 1-13 : 10-11

Dolichomitus flavicrus Matsumoto, 2018

Fig. 15

New record for China.

Diagnosis

Body length 25.0– 26.4 mm. Fore wing length 17.5–19.2 mm. Ovipositor sheath length 60.6 mm. Face with dense punctures and yellowish-brown setae. Mandible strongly bent medially inward almost at right angle, upper tooth slightly longer than lower tooth. Malar space about 0.35 × as long as basal width of mandible. Postocellar line approximately 0.8 × as long as ocular-ocellar line. Fore wing vein M&RS almost opposite 1cu-a. Tergite 1 2.0–2.1 × as long as posterior width, almost equal length to tergite 2, latero-median carina comparatively strong anteriorly. Tergite 2 1.5–1.6 × as long as posterior width. Tergites 3–5 with distinct lateral tubercles. Dorsal lobe of lower valve of ovipositor with 5 ridges. Black, except for the following: maxillary palpi, labial palpi, tegula yellow. Pterostigma and veins brownish black. All coxae black.

Material examined

CHINA • 1 ♀; Liaoning, Benxi Manzu Autonomous County; 12 Jun. 2017; Tao Li.; CBDPC • 1 ♀; Liaoning, Benxi Manzu Autonomous County; 20 Jul. 2018; Tao Li.; CBDPC .

Host

Unknown. The specimens were collected on a large branch of Juglans mandshurica Maxim. , where females of this species were laying eggs into the branch.

Host plant

Juglans mandshurica Maxim. (Juglandaceae) .

Figures

Fig. 15. Dolichomitus flavicrus Matsumoto, 2018, ♀ (CBDPC). 14. Habitus, lateral view.