Rhysodinae

Kaveinga abbreviata, copyright David R. Maddison.

Belongs within: Conjunctae.

The Rhysodinae are a group of ground beetles found as both adults and larvae in old, rotted logs (Lawrence & Britton 1991).

Characters (from Lawrence & Britton 1991): Black and shiny, subcylindrical to slightly flattened, head and pronotum with deep grooves that are often filled with dried organic material; antennae stout, moniliform, 11-segmented; mouthparts more or less concealed beneath expanded mentum; head strongly constricted posteriorly to form narrow neck; fore coxae globular, trochantins concealed, fore coxal cavities externally closed (internally open); mid coxal cavities moderately separated, laterally open; metasternum without transverse suture; legs relatively short, with weakly developed antenna cleaner on fore tibia, tarsal formula 5-5-5; abdomen with six ventrites, three connate. Larvae elongate, somewhat flattened and lightly sclerotised with short legs, no urogomphi, and transverse rows of asperities or interrupted ridges on T1 to 6 or 7; head prognathous, protracted; stemmata absent; antenna four-segmented; frontoclypeal suture absent; labrum fused; mandibular mola absent; maxillae and labium reduced, usually clothed with fringed membranes, maxilla with single mala, maxillary palp three-segmented, labial palp one-segmented; hypostomal rods present; legs six-segmented, with one tarsal claws; urogomphi absent; spiracles annular.

<==Rhysodinae [Rhysodidae]
    |--Leoglymmius Bell & Bell 1978 [Leoglymmiini] LM87
    |    `--*L. lignarius (Olliff 1885) (see below for synonymy) LM87
    |--Rhysodini LM87
    |    |--Rhysodes sulcatus LM87
    |    `--Kaveinga Bell & Bell 1978 LM87
    |         |--*K. (Kaveinga) abbreviata (Lea 1904) [=Rhysodes abbreviatus] LM87
    |         `--K. (Angekiva Bell & Bell 1978) LM87
    |              `--K. (*A.) frontalis (Grouvelle 1903) [=Rhysodes frontalis] LM87
    |--Clinidiini LM87
    |    |--Clinidium LM87
    |    `--Rhyzodiastes Fairmaire 1895 LM87
    |         |--*R. parumcostatus (Fairmaire 1868) [=Rhysodes parumcostatus] LM87
    |         |--R. burnsi (Oke 1932) [=Rhysodes burnsi] LM87
    |         `--R. mirabilis (Lea 1904) [=Rhysodes mirabilis] LM87
    `--Ommoglymiini LM87
         |--Ommoglymius Ganglbauer 1892 LM87
         |    |--*O. germari (Ganglebauer 1892) [=Rhysodes germari] LM87
         |    `--O. ichthyocephalus (Lea 1904) [=Rhysodes ichthyocephalus] LM87
         `--Yamatosa Bell & Bell 1979 [=Yamatoa Bell 1977 non Kiriakoff 1967] LM87
              |--*Y. niponensis (Lewis 1888) [=*Yamatoa niponensis] LM87
              `--Y. planata (Lea 1904) [=Rhysodes planatus] LM87

*Leoglymmius lignarius (Olliff 1885) [=Rhysodes lignarius; incl. R. blackburni Grouvelle 1903, R. trichosternus Lea 1904] LM87

*Type species of generic name indicated

REFERENCES

Lawrence, J. F., & E. B. Britton. 1991. Coleoptera (beetles). In: CSIRO. The Insects of Australia: A textbook for students and research workers vol. 2 pp. 543–683. Melbourne University Press: Carlton (Victoria).

[LM87] Lawrence, J. F., B. P. Moore, J. E. Pyke & T. A. Weir. 1987. Zoological Catalogue of Australia vol. 4. Coleoptera: Archostemata, Myxophaga and Adephaga. Australian Government Publishing Service: Canberra.