Alloplasta

Kang, Gyu-Won, Kolarov, Janko & Lee, Jong-Wook, 2020, A review of South Korean Alloplasta Förster (Hymenoptera: Ichneumonidae: Banchinae) with description of a new species, Zootaxa 4763 (2), pp. 270-280 : 271

Key to South Korean Alloplasta (after Kasparyan 2007 with modifications)

1. Mesonotum laterally from tegula to front end with wide yellow band; tegula and hind upper angle of pronotum yellow and hind tarsus and tibia basally without white ring. Flagellum with 28–32 flagellomeres. Second segment of hind tarsus 5.0–7.0 × as long as wide. Metasoma black. Hind coxa red or yellow....................................................... 2

- Mesonotum black, sometimes with small yellow spot antero-laterally. Coxa and trochanters black (except in A. maruyamana ). If mesonotum with large yellow spot antero-laterally, hind tibia basally and hind tarsus with yellow ring or flagellum with more segments............................................................................................ 3

2. First tergite 1.8 × as long as wide. Second and third tergites longer than wide. Clypeus except base and mandible yellow. Hind coxa brownish, yellow from above.............................................................. A. subgrisea

- First tergite 1.5 × as long as wide. Second and third tergites transverse or square. Mandible black with yellow spot on middle upper part. Hind coxa yellowish red from above..................................................... A. kuslitzkii

3. In female, hind tarsomeres entirely black. Hind tibia black with unclear whitish spot dorsally at base. Flagellum with 40 or more flagellomeres. Second tarsomere of hind tarsus 5–6 × as long as wide. In male, 2–4 tarsomeres of hind leg and hind tibia at base with white ring............................................................................... A. nigripes

- In female, hind tarsal segments usually with white ring, all tibiae with white ring basally. Flagellum with 30–36 segments. Second segment of hind tarsus 3–4 × as long as wide. Hind tibia and tarsus in male with white ring.................... 4

4. Second and third tergites and trochanters red. Flagellum entirely yellow red........................... A. maruyamana

- Tergite entirely black or sometimes second tergite reddish brown............................................... 5

5. First tergite 1.6 × as long as wide. Second tergite longer than wide. Flagellum with 30–33 segments. Propodeum usually with apical transverse carina. Ovipositor sheath 1.4 × as long as hind tibia............................... A. longipetiolaris

- First tergite 1.4 × as long as wide. Second tergite transverse. Flagellum with 36 segments. Propodeum without apical transverse carina. Ovipositor sheath × 1.6 as long as hind tibia...................................... A. brevipetiolaris sp. nov.