Genus Holgus Löcker & Larivière, 2006

Museums

Regional Maps

• Holgus Löcker, B. & Larivière, M.-C. in Löcker, B., Fletcher, M.J., Larivière, M.-C., Gurr, G.M., Holzinger, W.E. & Löcker, H. 2006. Taxonomic and phylogenetic revision of the Gelastocephalini (Hemiptera: Cixiidae). Invertebrate Systematics 20: 59-160 [113].

  Type species:

   Holgus liafredis Löcker & Larivière, 2006 by original designation.

Introduction

A genus of four species, three of which are found in SE Queensland; one of these also extends into NE New South Wales. The fourth species, which may not be a true Holgus, was described from far North Queensland. The genus name is derived from the name of the first author's husband, Holger Löcker.

Distribution

States

New South Wales, Queensland

IBRA and IMCRA regions

IBRA

NSW, Qld: Cape York Peninsula (CYP), South Eastern Queensland (SEQ)

Diagnosis

Colour. Legs yellow to orange brown; abdominal sternites mid brown, intersegmental membranes yellow to orange. Morphology. Body length. ♂ 4.5 mm, ♀ 4.8–6.8 mm. Head. Vertex produced before eyes by 1/4–1/2 of an eye length; apex broadly rounded or truncate; caudal border u-shaped. Frons 1.1–1.5× longer than wide, position of maximum width distinctly ventrad of centre of frontoclypeal suture; lateral carinae s-shaped; lateral margins foliaceous, concealing base of antennae. Postclypeus with well developed lateral carinae and median carina. Thorax. Concavity at costal border of forewing absent; Sc+R+M forming common stem; r–m1 basad of, or almost at same level as, fork MA–MP; position of icu at CuP distad of apex of clavus. Hind tibia with six apical teeth in row interrupted by a wide gap. Male genitalia. Genital styles broadly spoon-shaped, inner side of basal arm bearing very small tooth. (Löcker et al. 2006)

ID Keys

Fletcher, M.J., Löcker, B., Larivière, M.C. and Löcker, H. (2006). Illustrated Key to the Australian Genera of the Planthopper Tribe Gelastocephalini (Hemiptera: Cixiidae: Fulgoromorpha) http://www1.dpi.nsw.gov.au/keys/fulgor/cixiid/gelastocephalini/gel00.htm

Diagnosis References

Löcker, B., Fletcher, M.J., Larivière, M.-C., Gurr, G.M., Holzinger, W.E. & Löcker, H. 2006. Taxonomic and phylogenetic revision of the Gelastocephalini (Hemiptera: Cixiidae). Invertebrate Systematics 20: 59-160 [113]

History of changes