Conjunctae

Nomius pygmaeus, photographed by Harvey Schmidt.


Belongs within: Geadephaga.
Contains: Trechitae, Harpalinae, Broscinae.

The Conjunctae are a major clade of carabid ground beetles distinguished primarily by the presence of conjunct mesocoxae (enclosed within sternal plates).

See also: The diversity of ground beetles.

Synapomorphies (from Roig-Juñent & Cicchino 2001): Mesepimeron excluded from mesocoxal cavity; metepimeron forming shelf overlapping abdominal sternum II; elytral plica present; parascutellar striole absent; subapical setose organ present on gonopod; stylomere 1 or gonopod IX dimerous.

<==Conjunctae [Stylifera, Psydrinae, Psydritae]
    |--+--Meonidini R-JC01
    |  `--+--Mecyclothorax M83 [Mecyclothoracini R-JC01]
    |     |    `--M. ambiguus M83
    |     |         |--M. a. ambiguus M83
    |     |         `--M. a. rotundicollis M83
    |     `--+--Melisoderini R-JC01
    |        |--+--Trechinae B09
    |        |  |    |  i. s.: Tasmanitachoides Erwin 1972 [Trechodini] B09
    |        |  |    |           |--*T. hobarti (Blackburn 1901) [=Bembidion hobarti] B09
    |        |  |    |           |--T. arnhemensis B09
    |        |  |    |           |--T. balli B09
    |        |  |    |           |--T. fitzroyi B09
    |        |  |    |           |--T. glabellus B09
    |        |  |    |           |--T. hackeri B09
    |        |  |    |           |--T. hendrichi B09
    |        |  |    |           |--T. katherinei B09
    |        |  |    |           |--T. mandibularis Baehr 2009 B09
    |        |  |    |           |--T. minor B09
    |        |  |    |           `--T. obliquiceps B09
    |        |  |    |        Perileptus Schaum 1860 B09
    |        |  |    |          |  i. s.: P. morimotoi Uéno 1955 I92
    |        |  |    |          `--P. (Pyrrhotachys Sloane 1896) B09
    |        |  |    `--Trechitae R-JC01
    |        |  `--+--Amblytelini R-JC01
    |        |     `--Patrobini R-JC01
    |        `--+--Harpalinae R-JC01
    |           `--Tropopterus [Tropopterini] R-JC01
    |                |--T. giuraudyi R-JC01
    |                `--T. montagnii R-JC01
    `--+--Nomius [Psydrini] R-JC01
       |    `--N. pygmaeus R-JC01
       `--Broscinae R-JC01

*Type species of generic name indicated

REFERENCES

[B09] Baehr, M. 2009. A new species of the tachyine genus Tasmanitachoides from the Kimberley Division, Western Australia (Coleoptera, Carabidae). Records of the Western Australian Museum 25 (2): 159-164.

[I92] Iwahashi, J. (ed.) 1992. Reddo Deeta Animaruzu: a pictorial of Japanese fauna facing extinction. JICC: Tokyo.

[M83] Martin, N. A. 1983. Miscellaneous observations on a pasture fauna: An annotated species list. DSIR Entomology Division Report 3: 1-98.

[R-JC01] Roig-Juñent, S., & A. C. Cicchino. 2001. Chaltenia patagonica, new genus and species belonging to Chalteniina, a new subtribe of Zolini (Coleoptera: Carabidae). Canadian Entomologist 133: 651-670.

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