Alloplasta, Forster, 1869

Watanabe, Kyohei, 2022, Revision of the genus Alloplasta Förster, 1869 (Hymenoptera, Ichneumonidae Banchinae) from Japan, Zootaxa 5188 (1), pp. 55-73 : 57

publication ID	https://doi.org/ 10.11646/zootaxa.5188.1.3
publication LSID	lsid:zoobank.org:pub:5DA9BF37-7394-4A0C-921A-381C8D86F080
DOI	https://doi.org/10.5281/zenodo.7094200
persistent identifier	https://treatment.plazi.org/id/03B82C09-FF8F-9055-FF52-6697B6C16722
treatment provided by	Plazi
scientific name	Alloplasta
status

Treatment

Key to Japanese species of the genus Alloplasta View in CoL View at ENA (female only)

1. Hind coxa partly or entirely red or yellow ( Figs 1 A View FIGURE 1 , 5 A, C, D View FIGURE 5 , 11 A, C View FIGURE 11 ). Mesoscutum with a pair of lateral yellow stripes ( Figs 1 A View FIGURE 1 , 5 A View FIGURE 5 , 11 A View FIGURE 11 ). Tegula and dorsal hind corner of pronotum yellow ( Figs 5 A, C View FIGURE 5 , 11 A View FIGURE 11 ). Metasomal tergites (except for posterior margins) black ( Figs 1 A View FIGURE 1 , 5 A View FIGURE 5 , 11 A View FIGURE 11 ). Hind tibia without a distinct white area at base. Hind tarsus without a white band ( Figs 5 A View FIGURE 5 , 11 A View FIGURE 11 ). Length of hind TS II 5.0 × as long as maximum width. T II longer than maximum width. Ovipositor sheath longer than 1.5 × as long as hind tibia........................................................................... 2

-. Hind coxa black (e.g., Figs 2 A View FIGURE 2 , 8 A View FIGURE 8 , 10 A View FIGURE 10 ). Other character states various......................................... 3

2. Mandible black with a dorsal small yellow spot ( Fig. 5 B View FIGURE 5 ). Clypeus at most with a yellowish brown area ventrally ( Fig. 5 B View FIGURE 5 ). Hind coxa reddish brown with a dorsal yellow marking ( Figs 5 B–D View FIGURE 5 ). Hind femur not darkened ( Fig. 5 A View FIGURE 5 ). Malar space 0.4–0.45 × as long as basal mandibular width. Ovipositor sheath 1.5–1.8 × as long as hind tibia...................................................................................................... A. kuslitzkii Kasparyan, 2007 View in CoL

-. Mandible yellow except for black teeth ( Figs 11 A, B View FIGURE 11 ). Clypeus with a large yellow area ventrally ( Fig. 11 B View FIGURE 11 ). Hind coxa blackish brown with a yellow marking ( Fig. 11 C View FIGURE 11 ). Hind femur more or less darkened ( Fig. 11 A View FIGURE 11 ). Malar space 0.5–0.6 × as long as basal mandibular width. Ovipositor sheath 1.9–2.0 × as long as hind tibia.................. A. subgrisea Kasparyan, 2007 View in CoL

3. Metasomal tergites red (at least on T II and T III) ( Fig. 6 A View FIGURE 6 ). Antenna more or less tinged with reddish brown ( Figs 6 A, B View FIGURE 6 ). Hind femur and tibia largely reddish brown ( Fig. 6 A View FIGURE 6 ). T I 1.3–1.5 × as long as maximum width. Ovipositor sheath 1.5–1.75 × as long as hind tibia............................................................ A. maruyamana ( Uchida, 1928)

-. Metasomal tergites black (e.g., Figs 1 B View FIGURE 1 , 2 A, C View FIGURE 2 , 10 A View FIGURE 10 ). Antenna black (e.g., Figs 1 B View FIGURE 1 , 2 A View FIGURE 2 ). Hind femur black (e.g., Figs 2 A View FIGURE 2 , 3 A View FIGURE 3 , 4 A View FIGURE 4 ). Hind tibia black or at most tinged with yellowish brown basally, usually with a basal white area (e.g., Figs 2 A View FIGURE 2 , 3 A View FIGURE 3 , 4 A View FIGURE 4 ). Length of T I and ovipositor various.................................................................... 4

4. Ovipositor sheath 1.6–1.8 × as long as hind tibia. Fore and mid femora and tibiae entirely reddish brown except for a basal white spot of mid tibia ( Fig. 4 A View FIGURE 4 ). Hind TS II to TS V entirely or partly white ( Fig. 4 A View FIGURE 4 ). T II longer than maximum width............................................................................................. A. japonica sp. nov.

-. Ovipositor sheath usually shorter than 1.55 × as long as hind tibia. Fore and mid femora and tibiae not entirely reddish brown (at least partly darkened) ( Figs 2 A View FIGURE 2 , 3 A View FIGURE 3 , 8 A View FIGURE 8 , 9 A View FIGURE 9 , 10 A View FIGURE 10 ). Hind tarsus various in coloration. Length of T II various......... 5

5. Length of hind TS II 5.0–6.0 × as long as maximum width ( Fig. 8 A View FIGURE 8 ). Posterior margin of T II to T V without a conspicuous white band (at most narrowly tinged with reddish brown) ( Figs 1 B View FIGURE 1 , 8 A View FIGURE 8 ). Face at least partly with a pair of yellow stripes along inner eye margin ( Fig. 4 B View FIGURE 4 ). T II usually longer than maximum width. Ovipositor sheath 1.0–1.2 × as long as hind tibia............................................... A. nigripes ( Meyer, 1930) (= A. longipetiolaris ( Uchida, 1952) syn. nov.)

-. Length of hind TS II 2.5–4.4 × as long as maximum width ( Figs 2 A View FIGURE 2 , 3 A View FIGURE 3 , 9 A View FIGURE 9 , 10 A View FIGURE 10 ). Posterior margin of T II to T V with ( Figs 2 A, C View FIGURE 2 ) or without a conspicuous white band ( Figs 3 A View FIGURE 3 , 9 A View FIGURE 9 , 10 A View FIGURE 10 ). Face with or without a pair of yellow stripes along inner eye margin ( Figs 2 B View FIGURE 2 , 3 B View FIGURE 3 , 9 B View FIGURE 9 , 10 B View FIGURE 10 ). Length of T II and ovipositor various.......................................... 6

6. Ovipositor sheath shorter than hind tibia (0.88 × as long as hind tibia) ( Fig. 3 A View FIGURE 3 ). Propodeum with a complete posterior transverse carina ( Fig. 3 C View FIGURE 3 )............................................................... A. breviterebra View in CoL sp. nov.

-. Ovipositor sheath longer than hind tibia (more than 1.05 × as long as hind tibia) ( Fig. 2 A View FIGURE 2 , 9 A View FIGURE 9 , 10 A View FIGURE 10 ). Propodeum with or without a complete posterior transverse carina............................................................... 7

7. Ovipositor sheath 1.7–1.8 × as long as hind tibia. Hind tarsus entirely black ( Fig. 9 A View FIGURE 9 ). Posterior margin of T II to T V at most narrowly tinged with reddish brown to yellowish brown. Clypeus 2.3–2.6 × as broad as high. T I 1.25–1.35 × as long as maximum width. T II 0.7–0.8 × as long as maximum width........................................... A. satana sp. nov.

-. Ovipositor sheath shorter than 1.6 × as long as hind tibia. Hind tarsus with a conspicuous white area ( Figs 2 A View FIGURE 2 , 10 A View FIGURE 10 ). Posterior margin of T II to T V with various coloration. T I 1.35–1.9 (usually more than 1.4) × as long as maximum width. T II 0.75–1.05 (usually more than 0.8) × as long as maximum width......................................................... 8

8. Ovipositor sheath 1.05–1.1 × as long as hind tibia. Clypeus 2.0 × as broad as high. Face entirely black. Mesoscutum without yellow markings ( Fig. 10 A View FIGURE 10 ). Posterior margin of T II to T V usually narrowly tinged with reddish brown to yellowish brown ( Fig. 10 A View FIGURE 10 ). Length of hind TS II 4.0–4.4 × as long as maximum width ( Figs 10 A View FIGURE 10 ).............. A. septentrionalis sp. nov.

-. Ovipositor sheath more than 1.4–1.6 × as long as hind tibia. Clypeus 2.6 × as broad as high. Face entirely black or partly with a pair of yellow stripes along inner eye margin. Mesoscutum with a pair of yellow markings ( Fig. 2 A View FIGURE 2 ). Posterior margin of T II to T V usually relatively widely tinged with yellowish brown to white ( Figs 2 A, C View FIGURE 2 ). Length of hind TS II 3.3–4.0 × as long as maximum width ( Figs 2 A View FIGURE 2 )................................................ A. brevipetiolaris Kang & Lee, 2020