Genus Tyxs Chandler, 2001

Museums

Regional Maps

• Tyxs Chandler, D.S. 2001. Biology, morphology, and systematics of the ant-like litter beetle genera of Australia (Coleoptera: Staphylinidae: Pselaphinae). Gainesville, FL : Memoirs on Entomology, International Vol. 15 viii + 560 pp. [Date published 30 April 2001] [68].

  Type species:

   Tyxs sparsisetosus Chandler, 2001 by original designation.

 

Distribution

States

New South Wales, Queensland, South Australia, Tasmania, Victoria

Extra Distribution Information

Based on a single Australian species.

IBRA and IMCRA regions

drainage basins and coastal and oceanic zones

IBRA

NSW, Qld, SA, Tas, Vic: Australian Alps (AA), Brigalow Belt North (BBN), Brigalow Belt South (BBS), Ben Lomond (BEL), Broken Hill Complex (BHC), Channel Country (CHC), Central Mackay Coast (CMC), Central Ranges (CR), Cape York Peninsula (CYP), Desert Uplands (DEU), Darling Riverine Plains (DRP), Einasleigh Uplands (EIU), Eyre Yorke Block (EYB), Finke (FIN), Flinders Lofty Block (FLB), Flinders (FLI), Gawler (GAW), Gulf Plains (GUP), Great Victoria Desert (GVD), Hampton (HAM), Kanmantoo (KAN), King (KIN), Murray Darling Depression (MDD), Mitchell Grass Downs (MGD), Mount Isa Inlier (MII), Mulga Lands (ML), Nandewar (NAN), Naracoorte Coastal Plain (NCP), NSW North Coast (NNC), NSW South Western Slopes (NSS), Nullarbor (NUL), Riverina (RIV), Sydney Basin (SB), South East Coastal Plain (SCP), South East Corner (SEC), South Eastern Highlands (SEH), South Eastern Queensland (SEQ), Simpson Strzelecki Dunefields (SSD), Stony Plains (STP), Tasmanian Central Highlands (TCH), Tasmanian Northern Midlands (TNM), Tasmanian Northern Slopes (TNS), Tasmanian South East (TSE), Tasmanian Southern Ranges (TSR), Tasmanian West (TWE), Victorian Midlands (VM), Victorian Volcanic Plain (VVP), Wet Tropics (WT)

Original AFD Distribution Data

Australian Region

• Australia
  • New South Wales: SE coastal
  • Queensland
  • South Australia
  • Tasmania
  • Victoria

Oriental Region

Palaearctic Region

• Japan

Diagnosis

Head trapezoidal; with interantennal bridge depressed between distinct antennal tubercles; elongate V-shaped vertexal sulcus connecting vertexal foveae. Pronotum lacking discal impression and antebasal sulcus; antebasal foveae subequal in size; with tooth or angulation on lateral margins adjacent to lateral antebasal foveae. Elytra with 2-4 basal foveae; discal stria short. Tergite 4 (VII) longest; 1-2 (IV-V) with deep setose impression between bases of discal carinae.

 

Diagnosis References

Chandler, D.S. 2001. Biology, morphology, and systematics of the ant-like litter beetle genera of Australia (Coleoptera: Staphylinidae: Pselaphinae). Gainesville, FL : Memoirs on Entomology, International Vol. 15 viii + 560 pp. [Date published 30 April 2001] [68]

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
01-Jul-2020		21-Dec-2011	MODIFIED
		12-Feb-2010	(import)