Species Holgus liafredis Löcker & Larivière, 2006

Holgus liafredis Löcker & Larivière, adult

© Copyright Birgit Löcker. Orange Agricultural Institute.

Museums

Regional Maps

• Holgus liafredis 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 [115].

  Type data:

   Holotype ASCU ASCTHE026743 ♂ (coll: C.W. & L.B. O'Brien, 9.ix.1989, grasslands), Burbank, Queensland.

Introduction

A small dark species with pale yellowish-brown wings. Known from the Brisbane region in SE Queensland and the far NE corner of New South Wales. The species name is derived from the names of the first author’s parents-in-law, Liane and Manfred Löcker.

Distribution

States

New South Wales, Queensland

IBRA and IMCRA regions

IBRA

NSW, Qld: South Eastern Queensland (SEQ)

Ecological Descriptors

Adult: phloem feeder.

Extra Ecological Information

Nymph might be phloem feeder or fungivore.

Diagnosis

Colour. Vertex yellow to light brown, central part mid brown; frons orange brown (rarely light brown), median carina paler, lateral carinae yellow, postclypeus dark brown, median carina orange; pronotum yellow in central part, darker in lateral parts; mesonotum orange brown sometimes dark brown or black, hind border sometimes orange; forewing hyaline yellow, cell adjacent to pterostigma brown, apical cells sometimes with brown tinge, veins yellow, tubercles light brown. Morphology. Body length. ♂ 5.4–5.9 mm; ♀ 5.8–6.8 mm. Head. Tip of head acutely angled in lateral view. Vertex 1.0–1.2× as long as wide; apex broadly rounded; lateral carinae strongly elevated; median carina incomplete, 1/2–3/4 (rarely less than 1/2) as long as vertex. Lateral carinae of frons slightly to moderately elevated; median carina incomplete, 1/2–3/4 as long as frons. Frontoclypeal suture semicircular, median part reaching at least lower margin of antennal scape. Anteclypeus with well developed median carina. Thorax. Pronotum with sinuate or arched carinae; hind margin rectangular. Forewing 3.5–4× longer than wide; costa with 2–7 tubercles; fork of Sc+R basad, distad of or at same level as fork of CuA1+CuA2; 10 apical cells. Hind leg: tibia with 0–2 small lateral spines (without large lateral spines); 1st tarsomere with 10–12 apical teeth and 5–6 platellae; 2nd tarsomere with 10 apical teeth and eight platellae. Male genitalia. genital styles with inner side of basal arm bearing small tooth. Aedeagus: phallotheca with a long, slightly curved spine arising ventrally near apex and a short, bifurcated spine arising laterally above midlength, branches of spine curving in different directions; flagellum unarmed. (Löcker et al. 2006)

ID Keys

Löcker et al. 2006: 115

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 [115]

History of changes