Lanurgus subsulcatus Browne, 1970

Jordal, Bjarte H., 2021, The mainly South African genus Lanurgus revised (Coleoptera, Scolytinae), Zootaxa 5027 (1), pp. 87-106: 103

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Lanurgus subsulcatus Browne, 1970


Lanurgus subsulcatus Browne, 1970  

( Figs 49, 50, 52, 53, 55, 56 View FIGURES 48–56 )

Type material. Male holotype: [ South Africa] Cape Prov., Swellendam ii. 1932, R.E. Turner coll. Paratype male: Mossel Bay , 15-18. iii. 1922, R.E. Turner coll [both in NHMUK]   .

Diagnosis, female. Length 1.5–1.7 mm, 2.5–2.7 × as long as wide, colour black. Scapus with long dorsal spike on its dorsal side, with a long tuft of setae as long as the spike; antennal club with two angulate sutures clearly marked; frons broadly concave, with a small median triangular area just above epistoma with short erect setae and below this area with a peculiar tuft of longer setae reaching near tips of protruding mandibles; declivital interstriae 2 slightly impressed and glabrous; protibiae with three apical denticles. Male identical to female except scapus rounded with few setae, declivity with a pair of rounded nodules.

Distribution: South Africa.

New records. South Africa, Cape Prov., Worchester [GIS: -33.67, 19.41], Dec. 1933, R.E. Turner; Cape Prov., Mossel Bay [GIS: -34.16, 22.10], June 1921, R.E. Turner [NHMUK]. Eastern Cape: Alexandria Forest [GIS: - 33.70, 26.35], B. Jordal, leg., 15.xi.2006 #2. Western Cape: Nature’s Valley [GIS: -33.965, 23.562], B. Jordal, leg., 9.xi.2006 #10, ex [ Searsia   ] Rhus chirindensis   .

Biology. Searsia chirindensis   ( Anacardiaceae   ) is the first reported host plant for this species. Teneral specimens were produced under bark of 2–4 cm thick branches.


Natural History Museum, London