Species Sextius depressus Goding, 1903

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• Sextius depressus Goding, F.W. 1903. A monograph of the Australian Membracidae. Proceedings of the Linnean Society of New South Wales 28: 2-41 [12].

  Type data:

   
  Syntype(s) USNM sex, quantity unknown (coll.: Lea), Pinjarrah, Western Australia; USNM sex, quantity unknown (coll.: Tryon), Brisbane, Queensland; USNM sex, quantity unknown (coll.: W.W. Froggatt), Sydney, New South Wales; USNM sex, quantity unknown (coll.: Lea), Bridgetown, Western Australia; USNM sex, quantity unknown (coll.: Froggatt), Rye Bay, New South Wales; USNM sex, quantity unknown (coll.: Froggatt), Kempsey, New South Wales; USNM sex, quantity unknown (coll.: Froggatt), Richmond River, New South Wales; USNM sex, quantity unknown (coll.: Froggatt), Wollongong, New South Wales; USNM sex, quantity unknown (coll.: Froggatt), Tweed River, New South Wales; USNM sex, quantity unknown (coll.: Froggatt), Maitland, New South Wales
  Comment: entire syntype series comprises 19 males and females.

 

Introduction

This species was based on 19 specimens from 10 localities in three states of Australia. Designation of a lectotype would be helpful in establishing a type locality and enable the identity of the species to be clarified.

 

Distribution

States

New South Wales, Queensland, Western Australia

Extra Distribution Information

Australian Endemic.

IBRA and IMCRA regions

IBRA

NSW, Qld, WA: Jarrah Forest (JF), NSW North Coast (NNC), Sydney Basin (SB), South Eastern Queensland (SEQ), Swan Coastal Plain (SWA)

Ecological Descriptors

All stages: phloem feeder.

Extra Ecological Information

Known hosts: Acacia decurrens (Mimosaceae) (Goding 1903).

 

Diagnosis

Green, tawny when dried. This species, in a general way, is closely related to [Sextius] virescens [(Fairmaire)]; it differs in being smaller, lateral horns shorter and stronger, directed outward, not at all upward, the apical part depressed; the dorsum between the horns is flat, never convex; corium destitute of a transverse venule between two ulnar veins, near base. Long. 5 to 7; lat. (incl. lat. corn.) 2 to 3 mm (Goding 1903).

 

Diagnosis References

Goding, F.W. 1903. A monograph of the Australian Membracidae. Proceedings of the Linnean Society of New South Wales 28: 2-41 [12]

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
16-May-2012		16-May-2012	MODIFIED
26-Apr-2012		26-Apr-2012	MODIFIED
		12-Feb-2010	(import)