Pteroptrix orientalis (Silvestri)

Suh, Soo-Jung, 2021, Parasitoids (Hymenoptera: Chalcidoidea) of the white peach scale, Pseudaulacaspis pentagona (Targioni-Tozzetti) (Hemiptera: Diaspididae) on Prunus salicina Lindl. (Rosales: Rosaceae) in South Korea, Insecta Mundi 2021 (885), pp. 1-5 : 4

4. Pteroptrix orientalis (Silvestri)

( Fig. 5 )

Description. Body about 1 mm long, head generally yellow, thorax yellow to light brownish yellow except pronotum, mid lobe of mesoscutum largely, axillae, metanotum and propodeum brown to blackish brown, abdomen brown to blackish brown; antenna 8-segmented (1,1,3,3), antennal flagellum relatively longer, all the flagellar segments about equal in width, F3 longer than wide; forewing hyaline, about 3.2 × as long as wide, the longest marginal fringe about 0.5 × as long as the greatest width of the wing, wing disc moderately densely setose from the level of the base of the marginal vein to the wing apex; ovipositor protruding a little at the gastral apex, 1.8 × as long as the middle tibia; legs with all tarsi four-segmented.

Material examined. Korea. GB: 119, Hyeoksin 8-ro, Gimcheon-si, 16 females, ex. P. pentagona on P. salicina , 5-iv-2020 (S.J. Suh); 167-4, Seokjeong-ri, Yechoen-eup, Yechoen-gun, 20 females, ex. P. pentagona on P. salicina , 22-iv-2020 (S.J. Suh); Bongcheon 2-ri, Nam-myeon, Gimcheon-si, 14 females, ex. P. pentagona on P. salicina , 12-v-2020 (S.J. Suh); 308 Obong-ri, Nam-myeon, Gimcheon-si, 16 females, ex. P. pentagona on P. salicina , 1-vii- 2020 (S.J. Suh).

Figures

Figures 1–6. Five species of parasitoids associated with Pseudaulacaspis pentagona (Targioni-Tozzetti) on Japanese plum trees in South Korea. 1) Parasitoid emergence holes in scale covers of P. pentagona (white peach scale). 2) Aphytis proclia (Walker), female. 3) Encarsia berlesei (Howard), female. 4) Marietta carnesi (Howard), female. 5) Pteroptrix orientalis (Silvestri), female. 6) Arrhenophagus chionaspidis Aurivillius, female.