Genus: Singhius
Nomenclature:
Singhius Takahashi 1932
Dialeurodes (Singhius) Takahashi 1932: 14.
Singhius Takahashi; subgenus elevated to genus by Mound & Halsey 1978: 191.
Biology: Pale color.
Distribution: All species are palaearctic (India) with Singhius hibisci (Kotinsky) occurring in several zoogeographical areas.
Taxonomy: Outline. Oval to slightly elliptical. Margin. Dentate with pronounced tracheal
cleft plates and differentiated caudal cleft. Dorsum. Covered with papillae-like structures that may be wanting medially. Vasiform orifice rectangular and
open posteriorlyconnecting widely into the caudal
furrow. Operculum
subcordate obscuring lingula. Chaetotaxy. Paired dorsal setae
discernable. Pores.
Evident on dorsum.
Similar Genera: Tracheal plate in common
with Aleuroclava.
***Intercepted in quarantine
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Singhius ehretiae (Jesudasan & David) Nomenclature: Singhius ehretiae (Jesudasan
& David) 1991 Aleuroclava ehretiae Jesudasan and David 1991: 258-259 Singhius ehretiae (Jesudasan
& David) [Dubey & Sundararaj
2005: 251] Distribution: Palaearctic: India Host:
Apocynaceae: Tabernaemontana divaricata;
Boraginaceae: Ehretia
sp. |
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Singhius hibisci (Kotinsky)*** Nomenclature: Aleyrodes hibisci Kotinsky 1907: 96 Pealius hibisci (Kotinsky)
[Quaintance & Baker 1914: 99] Singhius hibisci (Kotinsky)
1932:14 [Corbett 1935b] [Cohic 1959b] [Mound and Halsey 1978: 191] Dialeurodes fletcheri Singh 1931: 39 Distribution: Australasia: Indonesia,
Malaya; Malaysia, New Caledonia, Philippines, USA (Hawaii)Nearctic:
USA (FL, HI, TX); 2: Neotropical: Trinidad & Tobago; Oriental: Cambodia, China, Hong Kong, Taiwan, Thailand; Palaearctic: India Hosts:
Annonaceae: Fissistigma
oldhami; Convolvulaceae:
Ipomoea batatas;
Euphorbiaceae: Baccaurea motleyana, Breynia rhamnoides, Bridelia
monoica, Glochidion
hongkongensis, Macaranga
tanarius, Sapium sebiferum;
Lauraceae: Cinnamomum
camphora; Malvaceae:
Hibiscus tiliaceus,
Hibiscus rosasinensis, Moraceae: Ficus elastica;
Oleaceae: Forsythia
suspensa, Jasminum
sp; Rubiaceae: Gardenia sp.; Salicaceae: Salix sp.; Solanaceae: Physalis peruviana; Ulmaceae: Celtis sinensis; Vitaceae: Vitis vinifera Natural enemies: Aphelinidae: Encarsia bothrocera;
E. cibcensis, E. lutea,
E. perflava,
E. sophia; Predators - Coccinellidae:
Coccinella transversalis |
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Singhius morindae Sundararaj &
David Nomenclature: Singhius morindae Sundararaj & David 1992: 103 Distribution: Palaearctic: India
Host:
Rubiaceae: Morinda tinctoria |
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Singhius russellae (David
& Subramaniam) Nomenclature: Singhius russellae (David & Subramaniam) 19 Aleurotuberculatus russellae David & Subramaniam 1976: 172 Singhius russellae (David & Subramaniam); Alexander & David 1990: 1 Distribution: Palaearctic: India
Host:
unidentified tree |