Enicospilus antefurcalis
Creators: name: Shimizu, So
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Enicospilus
Enicospilus antefurcalis

description: 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)
description: Published as part of Shimizu, So, 2017, Description of a new species and revised key to species of the Enicospilus antefurcalis species-group from Japan (Hymenoptera: Ichneumonidae: Ophioninae), pp. 183-194 in Acta Entomologica Musei Nationalis Pragae 57 (1) on pages 191-192, DOI: 10.1515/aemnp-2017-0067, http://zenodo.org/record/5316015