Description of a new species and revised key to species of the Enicospilus antefurcalis species-group from Japan (Hymenoptera: Ichneumonidae: Ophioninae) Author Shimizu, So text Acta Entomologica Musei Nationalis Pragae 2017 2017-06-30 57 1 183 194 https://www.aemnp.eu/acta-entomologica/volume-57-1/1672/description-of-a-new-species-and-revised-key-to-species-of-the-enicospilus-antefurcalis-species-group-from-japan-hymenoptera-ichneumonidae-ophioninae.html journal article 10.1515/aemnp-2017-0067 0374-1036 5316015 0B9DB175-777A-4D47-BD31-1A73F7B4F7BB Key to species of the Enicospilus antefurcalis species-group 1 Central sclerite completely absent. Oceanic. .......... E . kalveus Gauld & Mitchell, 1981 – Central sclerite present ( Fig. 5 ). ..................................................................................... 2 2 Proximal corner adjacent to Rs+2r of marginal cell with wide glabrous area. Central sclerite elongate linear-oval. Eastern Palaearctic and Oriental. ........................................ .............................................................................................. E . sauteri (Enderlein, 1921) – Proximal corner of marginal cell entirely setose, without glabrous area. Central sclerite various, oval to circular ( Fig. 5 ). .................................................................................... 3 3 Proximal and distal sclerites separated, not confluent. ................................................... 4 – Proximal and distal sclerites confluent ( Fig. 5 ). ........................................................... 10 4 Lower face 0.9 times as wide as high. Clypeus wide and 1.9 times as wide as high. AI = 0.3. Australasian. .............................................. E . ypsilon Gauld & Mitchell, 1981 – Lower face 0.7–0.8 times as wide as high. Clypeus normal and 1.5–1.8 times as wide as high. AI = 0.4–0.5. .......................................................................................................... 5 5 ICI = 0.8. Distal sclerite weak. Fenestra rather small. Australasian. ................................ ................................................................................... E . xuthus Gauld & Mitchell, 1981 – ICI = 0.4–0.6. Distal sclerite strong. Fenestra moderately large. ................................... 6 6 Central sclerite large, about 40% as wide as proximal sclerite and its minimum diameter larger than minimum distance between it and Rs+2r. Afrotropical and Oriental. .......... 7 – Central sclerite of moderate size, less than 20% as wide as proximal sclerite and its minimum diameter smaller than minimum distance between it and Rs+2r. ...................... 8 7 Central sclerite weakly sclerotized and pigmented. Upper tooth of mandible 2.1–2.3 times as long as lower tooth. ...................................... E . aciculatus (Taschenberg, 1875) – Central sclerite moderately to strongly sclerotized and strongly pigmented. Upper tooth of mandible 1.3–1.4 times as long as lower tooth. ......... E . laqueatus (Enderlein, 1921) 8 Posterior part of metasoma black. Distal 0.8 of outer surface of fore tibia with moderately dense spines. Afrotropical. .................................................. E . watshami Gauld, 1982 – Posterior part of metasoma not black. Distal half of outer surface of fore tibia with sparse spines. ............................................................................................................................. 9 9 Central sclerite oval, its longer axis parallel to Rs+2r. Face yellowish-white except for central area. Mandibles with sparse setae. Afrotropical. ........... E . polemus Gauld, 1982 – Central sclerite oval to suboval, its longer axis at right angle to Rs+2r. Face entirely orange-yellow. Mandibles with dense setae. Afrotropical and Oceanic. ........................... .................................................................................... E . ruscus Gauld & Mitchell, 1978 10 Central sclerite positioned in middle of fenestra. Corner formed by distal margin of proximal screrite and proximal part of distal sclerite, more or less angulate. Australasian. .................................................................................... E . xaivus Gauld & Mitchell, 1981 – Central sclerite positioned in distal part of fenestra ( Fig. 5 ). Corner formed by distal margin of proximal sclerite and proximal part of distal sclerite, evenly curved ( Fig. 5 ). ...................................................................................................................................... 11 11 Mesosoma , coxae, T1, T2, T5–8 dark-brown to black ( Fig. 5 ). Metapleuron roughly punctostriate ( Fig. 6 ). Eastern Palaearctic. ....................................... E . kikuchii sp. nov. – Body entirely yellowish-brown or posterior part of metasoma blackish. Metapleuron uniformly punctate or finely punctostriate. ....................................................................... 12 12 AI = 0.2–0.3, CI = 0.2–0.3. Distal sclerite weak. Central sclerite oval and large, its longer axis reclivous and parallel to M between 2m-cu and 3rs-m. Oriental. .............................. ..................................................................................... E . marathwadensis Nikam, 1980 – AI = 0.3–1.1, CI = 0.3–0.6. Distal sclerite more or less strong. Central sclerite circular to oval, if oval more or less small and its longer axis inclivous, not parallel to M between 2m-cu and 3rs-m. .......................................................................................................... 13 13 Mandible twisted 10–20°. Metapleuron punctostriate or punctate. Posterior part of metasoma usually black. Australasian, Eastern Palaearctic, Oceanic, and Oriental. ................ ..................................................................................... E . melanocarpus Cameron, 1905 – Mandible twisted 25°. Metapleuron closely punctate. Posterior part of metasoma black or yellowish brown. Afrotropical. ................................................................................ 14 14 Posterior part of metasoma black. Central sclerite small, its maximum diameter smaller than minimum distance between it and Rs+2r. AI = 0.5–1.0. ........................................... .......................................................................................... E . bicoloratus Cameron, 1912 – Posterior part of metasoma yellowish-brown. Central sclerite moderately large, its maximum diameter larger than minimum distance between it and Rs+2r. AI = 0.3–0.5. ......... ..................................................................................... E . antefurcalis (Szépligeti, 1908)