Strumigenys segrex

Known from a few open Eucalyptus forest collections, from the soil under stones. One collection was taken from within a Bothroponera nest.

Identification
Bolton (2000) - A member of the smythiesii complex in the Strumigenys godeffroyi-group. This is the only species of the Austral smythiesii-complex to possess two pairs of erect flagellate hairs on the cephalic dorsum. See also notes under Strumigenys friedae.

Distribution based on Regional Taxon Lists
Australasian Region: Australia.

Nomenclature

 *  segrex. Strumigenys segrex Bolton, 2000: 969 (w.) AUSTRALIA.

Worker
Holotype. TL 3.0, HL 0.70, HW 0.45, CI 64, ML 0.29, MI 41, SL 0.45, SI 100, PW 0.30, AL 0.79. With characters of smythiesii-complex. Apicoscrobal hair flagellate, long and straggly. Cephalic dorsum sharply reticulate-punctate. Two pairs of erect long fine hairs present on cephalic dorsum, curved or angled anteriorly; one pair located close to midline near occipital margin, the other just in front of the highest point of the vertex. Eye with 20 or more ommatidia. Pronotal humeral hair flagellate, very long and fine; pronotum otherwise without erect hairs. Mesonotum with a single pair of erect flagellate hairs. Pronotal dorsum almost smooth, sculpture almost entirely effaced, with only superficial vestiges apparent. Mesonotal and propodeal dorsa finely reticulate-punctate. Propodeal declivity with a narrow lamella, its posterior (free) margin straight or nearly so. Side of pronotum with a smooth patch; katepisternum smooth, metapleuron and side of propodeum mostly smooth. Dorsum of petiole node finely reticulate-punctate; disc of postpetiole smooth. Ventral curtain of petiole fine, laminate or lace-like rather than densely spongiform. Hairs on first gastral tergite long and fine, flagellate.

Paratypes. TL 2.7-3.0, HL 0.68-0.71, HW 0.44-0.47, CI 64-67, ML 0.28-0.30, MI 41-43, SL 0.43-0.46, SI 96-100, PW 0.30-0.32, AL 0.79-0.83 (7 measured).

Type Material
Holotype worker, Australia: New South Wales, Dawson's Spring, Mt Kaputar Nat. Pk, 30°17'S, 150°10'E, 1380 m., 25.xii.1988, under stone, Eucalyptus open forest, #9755 (P. S. Ward). [Holotype is upper worker of two on pin.] Paratypes. 10 workers with same data as holotype (ANIC,, , ). [Some paratypes bear additional information: “in Bothroponera nest”.]