Temnothorax muellerianus

This species exhibits a form of social parasitism.

Identification
A member of the Temnothorax lerianus group.

Distribution based on Regional Taxon Lists
Palaearctic Region: Bulgaria, Croatia, Greece, Iberian Peninsula, Italy, Portugal, Slovenia, Spain, Switzerland, Turkey.

Fungi
This species is a host for the endoparastic fungus Myrmicinosporidium durum (Espadaler & Santamaria, 2012).

Nomenclature

 *  muellerianus. Leptothorax (Temnothorax) muellerianus Finzi, 1922: 118, fig. 1 (w.) ITALY. Combination in Chalepoxenus: Finzi, 1924b: 123; in Temnothorax: Ward et al., 2014: 15. Senior synonym of gribodoi: Kutter, 1973d: 276; provisional senior synonym of insubricus, siciliensis: Buschinger, Erhardt, Fischer & Ofer, 1988: 398.
 * gribodoi. Chalepoxenus gribodoi Menozzi, 1923a: 257, figs (w.q.) ITALY. [Spelled gridoboi p. 257, corrected to gribodoi p. 258.] Menozzi, 1925a: 21 (m.). Junior synonym of muellerianus: Kutter, 1973d: 276.
 * insubricus. Chalepoxenus insubricus Kutter, 1950b: 337, figs. (m.) SWITZERLAND. Kutter, 1973d: 279 (w.q.). See also: Kutter, 1977c: 136. Provisional junior synonym of muellerianus: Buschinger, Erhardt, Fischer & Ofer, 1988: 398.
 * siciliensis. Chalepoxenus siciliensis Kutter, 1973d: 278, figs. 1, 3, 4, 6 (w.q.) ITALY (Sicily). Provisional junior synonym of muellerianus: Buschinger, Erhardt, Fischer & Ofer, 1988: 398.