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.