Synonyms and other taxonomic changes
Orig. Comb: Aphodius pseudolividus Balthasar 1941
part of a worldwide species complex often lumped under A. lividus (Olivier); Stebnicka (2009) synonymized L. pseudolividus under L. cincticulus (Hope); see discussion in remarks
Explanation of Names
Labarrus pseudolividus (Balthasar)
Identification
Dellacasa et al. (2002) presented a key to the three species of the A. lividus-complex occurring in the New World.
Range
e US to CA / Mex. to S. Amer. -
Map, Nearly worldwide distribution. Introduced into the U.S. from S. Amer.
(1)(2)Habitat
can be the most commonly collected species in an area, adults being found in a wide variety of dung. They are frequently attracted to lights, accounting for their large numbers in collections. (Smith & Skelley 2007)
Life Cycle
Eggs are laid singly or in groups inside dung pat.
The dwelling beetle, A. pseudolividus, does not incorporate manure into the soil but directly competes with horn flies for manure resources. (NCSU)
Remarks
Stebnicka (2009b: 35) synonymizes
Labarrus pseudolividus with
Labarrus cincticulus (Hope, 1847) (p. 284), which she refers to as
Aphodius (Labarrus) cincticulus. Théry and Bordat (2012: 311) reject this synonymy based on
L. pseudolividus being in predominant use in a large body of literature. They also recall that
L. cincticulus has for a long time been considered a synonym of
Labarrus lividus (Olivier, 1789) (p. 86), with the definitive separation between
L. lividus and
L. pseudolividus being established in Angus et al. (2004). We have chosen to follow Théry and Bordat (2012). -
TreatmentBankPrint References
Angus, R.B., C.J. Wilson, and D.J. Mann. 2004. Chromosomal and aedeagal distinction between Aphodius (Labarrus) lividus Olivier, 1789 and A. (L.) pseudolividus Balthasar, 1941 (Col., Scarabaeidae, Aphodiinae). Entomologist's Monthly Magazine. London 140: 255-261.
Dellacasa, M., R.D. Gordon & G. Dellacasa. 2002. Aphodiinae described or recorded by Bates in Biologia Centrali-Americana (Coleoptera Scarabaeoidea: Aphodiidae). Acta Zoologica Mexicana, 86: 155–223.
Smith, A.B.T. & P.E. Skelley. 2007. A review of the Aphodiinae (Coleoptera: Scarabaeidae) of southern South America. Zootaxa 1458: 1-80.
Stebnicka, Z.T. 2009. Aphodiinae of Australia (Coleoptera: Scarabaeidae). Iconography. Institute of Systematics and Evolution of Animals, Polish Academy of Sciences; Krakow, Poland. 187 p.
Thery, T. and P. Bordat. 2012. Aphodiidae de Nouvelle-Caledonie: mise a jour des connaissances et descriptions de nouvelles especes (Coleoptera, Scarabaeoidea). Bulletin de la Societe entomologique de France 117 (3): 309-338.
