Conganteon Benoit, 1951

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 47-49

3. Genus Conganteon Benoit, 1951

Conganteon Benoit 1951c: 11 ; Olmi 1995a: 25; He & Xu 2002: 89.

Chelanteon Olmi 1984: 105 (synonymized by Olmi 1995a); type species: Chelanteon richardsi Olmi 1984 , by monotypy and original designation; Olmi 1995a: 25.

Type species. Conganteon vulcanicum Benoit, 1951 , by original designation.

Diagnosis. Female: fully winged ( Plate 13A, B ); occipital carina complete; mandible quadridentate, with one intermediate rudimentary tooth ( Plate 3E ); antenna without rhinaria; palpal formula 5/3 or 6/3; pronotal tubercles present; fore wing with two cells enclosed by pigmented veins (costal and median) ( Plate 13A, B ); fore wing with stigmal vein and pterostigma ( Plate 13A, B ); distal part of stigmal vein longer than proximal part ( Plates 12B , 13A, B ); protarsus chelate ( Plate 13A, B ); chela with a rudimentary claw ( Plates 13C , 14A ); tibial spurs 1/1/2. Male: fully winged ( Plate 12E ); occipital carina complete; mandible quadridentate, with one intermediate rudimentary tooth ( Plate 3E ); palpal formula 5/3 or 6/3; fore wing with two cells enclosed by pigmented veins (costal and median) ( Plate 12E ); fore wing with stigmal vein and pterostigma ( Plate 12E ); distal part of stigmal vein longer than proximal part ( Plate 12E ); tibial spurs 1/1/2.

Distribution. Present in the Afrotropical and Oriental regions. Present at Oriental border of the Palaearctic ( Nepal).

Hosts. Unknown.

World species. Eleven species are known, four in the Oriental region.

Key to the species

Females

1. Enlarged claw with one subapical tooth ( Plate 13C )........................................... C. richardsi (Olmi)

- Enlarged claw without subapical tooth ( Plates 12A, C , 14A )................................................... 2

2. Antennal segment 3 as long as segment 1.................................................... C. nepalense Olmi

- Antennal segment 3 more than 1.5 times as long as segment 1.................................................. 3

3. Head completely reticulate rugose.......................................................... C. gigas Xu & He

- Head partly reticulate rugose and partly punctate and without sculpture among punctures; occasionally not rugose area very small................................................................................ C. taiwanense Olmi

Males (unknown in C. gigas Xu & He and C. richardsi (Olmi))

1. Head and scutum completely reticulate rugose................................................ C. nepalense Olmi

- Head and scutum at least partly smooth, punctate, unsculptured among punctures, not rugose.......... C. taiwanense Olmi

Figures

PLATE 3. A–C, F, G. Males. D, E. Mandibles. A. Crovettia sp. Length 2.5 mm. B. Fiorianteon sp. Length 3.8 mm. C. Dryinus sp. Length 3.7 mm. D. Anteon sp., Female. E. Dryinidae. F. Thaumatodryinus sp. Length 1.9 mm. G. Anteon sp. Length 2.5 mm. (From Olmi 1984).

PLATE 12. A, B. Conganteon gigas, holotype (from Xu & He, 1998b). C–E. C. nepalense. A. Chela. B. Fore wing. C. Chela of female from India (from Olmi 1987a). D. Genitalia of holotype (from Olmi 1984). E. Holotype (from Olmi 1984). Length 1.9 mm. Scale bar 0.19 mm for A, 0.68 mm for B, 0.13 mm for C and 0.21 mm for D.

PLATE 13. Conganteon richardsi, holotype (from Olmi 1984). A, B. Dorsal view (A) and lateral view (B). Length 2.8 mm. C. Chela. Scale bar 0.12 mm.

PLATE 14. A, C. Chelae, holotypes. B, D–F. Male genitalia. A. Conganteon taiwanense (from Olmi 1991). B. C. taiwanense from China, Nanling (from Olmi 1995a). C. Fiorianteon choui (from Olmi 1995a). D. F.choui, paratype (from Olmi 1995a). E. F.choui from China, Nanling. F. F. junonium, holotype (from Olmi 1984). Scale bar 0.09 mm for A, 0.30 mm for B, 0.20 mm for C, 0.24 mm for D, 0.26 mm for E and 0.31 mm for F.