Crovettia Olmi, 1984

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 43

2. Genus Crovettia Olmi, 1984

Crovettia Olmi 1984: 84 ; Olmi 1996d: 60; He & Xu 2002: 82; Virla & Olmi 2008: 369; Moya-Raygoza & Olmi 2010: 86.

Biaphelopus Olmi 1984: 95 (synonymized by Olmi 1996d); type species: Biaphelopus masneri Olmi 1984 , by monotypy and original designation; Olmi 1991: 124; Olmi 1996d: 60.

Paraphelopus Olmi 1991: 120 (synonymized by Olmi, 1998e); type species: Paraphelopus townesi Olmi 1991 , by original designation.

Type species. Crovettia theliae ( Gahan, 1918) , by original designation.

Diagnosis. Female: fully winged ( Plate 10A, B ); epistomal suture situated at same level of antennal toruli ( Plate 4G ); occipital carina complete; antenna without rhinaria; palpal formula 5/2, or 5/3, or 6/2, or 6/3; fore wing with only costal cell enclosed by pigmented veins (as in plate 11A, B) or with costal and medial cells completely enclosed by pigmented veins ( Plate 10A, B ); fore wing with pterostigma present ( Plate 10A, B ) and stigmal vein straight ( Plate 11A ), or forming an angle between the proximal and distal parts ( Plate 4E ); course of fore wing veins not marked by dark stripes ( Plate 10A, B ); hindwing ( Plate 10A ) hyaline, with costal cell, without dark medial longitudinal stripe; protarsus not chelate ( Plate 10A, B ); tibial spurs 1/1/2. Male: fully winged ( Plate 11A, B ); epistomal suture situated below imaginary line joining antennal toruli ( Plate 4G ); occipital carina complete; palpal formula 5/2, or 5/3, or 6/2, or 6/3; fore wing with only costal cell enclosed by pigmented veins ( Plate 11A, B ) or with costal and medial cells completely enclosed by pigmented veins (as in plate 10A, B); fore wing with pterostigma present ( Plate 11A, B ) and stigmal vein straight ( Plate 11A ), or forming an angle between the proximal and distal parts ( Plate 4E ); course of fore wing veins not marked by dark stripes ( Plate 11A ); hindwing ( Plate 11A ) hyaline, with costal cell, without dark medial longitudinal stripe; basivolsella completely situated down distivolsella distal apex ( Plate 11F ); tibial spurs 1/1/2.

Distribution. Present in the Oriental, Nearctic, Neotropical and Australian regions. Never collected in the Afrotropical region. Present at the Oriental border of the Palaearctic ( Nepal).

Hosts. Membracidae ( Guglielmino & Olmi, 1997) .

World species. Fifteen species are known, two in the Oriental region.

Key to the species

Females

1. Notauli absent.......................................................................... C. masneri (Olmi)

- Notauli present, almost complete........................................................... C. townesi (Olmi)

Males

Only the male of C. townesi is known.

Figures

PLATE 4. A, B, E. Males. C, D. Male genitalia. b, basivolsella; d, distivolsella; k, dorsal process of paramere; o, paramere; p, penis or aedeagus. F, G. Heads. A. Dryinus sp. Length 3.0 mm. B. Occiput of Gonatopus sp. C. Dryinus sp. D. Echthrodelphax sp. E. Crovettia sp. Length 2.5 mm. F.Aphelopus sp. G. Crovettia sp. (From Olmi 1984).

PLATE 10. Crovettia masneri, holotype. A. Dorsal view (A) and lateral view (B). Length 2.4 mm. (From Olmi 1984).

PLATE 11. Crovettia townesi, holotype. A, B. Dorsal view (A) and lateral view (B). Length 2.0 mm. C. Maxillary palpus. D. Labial palpus. E. Mandible. F. Male genitalia. Scale bar 0.37 mm for C, 0.32 mm for D, 0.26 mm for E and 0.13 mm for F. (From Olmi 1991).