Australian Biological Resources Study

Australian Faunal Directory

<i>Chidaea orangensis</i> Löcker and Holzinger. A: <i>habitus</i>, B-D: head.

Chidaea orangensis Löcker and Holzinger. A: habitus, B-D: head.

Museums

Regional Maps

Species Chidaea orangensis Löcker and Holzinger, 2019


Compiler and date details

31 December 2019 - Murray J. Fletcher

 

Introduction

In addition to having been collected in the first author's backyard in Orange, New South Wales, the species is widespread in eastern Australia, extending along the western end of the Riverina bioregion to Loxton in South Australia and Hattah-Kalkyne National Park in NW Victoria.

 

Distribution

States

New South Wales, Queensland, South Australia, Victoria


Extra Distribution Information

Australian Endemic.


IBRA and IMCRA regions (map not available)

IBRA

NSW, Qld, SA, Vic: Brigalow Belt South (BBS), Central Mackay Coast (CMC), New England Tablelands (NET), Riverina (RIV), Sydney Basin (SB), South Eastern Highlands (SEH), South Eastern Queensland (SEQ), Wet Tropics (WT)

Ecological Descriptors

Adult: phloem feeder.

 

Diagnosis

Colour. Entire specimen including carinae light brown, rarely with darker patches. Pronotum slightly darker than head and pronotum. Forewings light brown, tubercles and veins light brown, concolorous with cells. pterostigma, crossveins and apical parts of veins often slightly darker. Morphology. Body length: ♂ 5.7–6.7 mm; ♀ 6.6–8.2 mm. Head: Vertex 2.1–2.9 x wider than long; median carina of vertex covering 1/3 to full length of basal compartment of vertex; absent in apical compartment. Frons 1.0–1.2 x longer than wide; position of maximum width more or less around centre of frontoclypeal suture or distinctly dorsad; lateral carinae of frons in facial view convex, rectilinear apically. Frontoclypeal suture strongly semicircular, bent upwards, median part reaching at least lower margin of antennal scape. Postclypeus with median carina well developed, moderately developed or evanescent. Anteclypeus lacking median carina. Rostrum surpassing hind coxae. Thorax: Hind margin of pronotum acutely angled or rectangular. Mesonotum with moderately developed median and lateral carinae. Forewing 3.0–3.4 x longer than wide; concavity at costal border absent; costal margin with 8–22 indistinct tubercles; fork of ScP+RA and RP basad (rarely distad) of fork CuA1 and CuA2; tubercles of forewing dark or pale, concolorous with veins; ScP+RA apically bifid (sometimes unforked); RP trifid; additional subapical cell between branches of MP1 and MP2 absent; MP1+2 trifid (rarely bifid), MP3+4 forking into 3 or 4 branches; 10–11 (rarely 12) apical cells; 6 subapical cells. Hind leg: tibia with 6 (rarely 5 or 7) apical spines; 1st tarsomere with 11–14 apical teeth and 6–9 (rarely 10) platellae; 2nd tarsomere with 11–13 (rarely 10 or 14) apical teeth and 9–12 platellae. Male genitalia: Phallotheca near base with a bifurcate ventral process; phallotheca very narrow; dorsally with two, strongly curved spines (a,b), mostly concealed by phallotheca in ventral view (only the base of each spine visible) (Löcker and Holzinger 2019).

 

ID Keys

Löcker and Holzinger 2019: 407–408

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
CIXIIDAE Spinola, 1839 13-Dec-2019 ADDED Dr Murray Fletcher