Geochus posticalis, Broun, 1913

Leschen, Richard A. B., Davis, Steven, Brown, Samuel D. J., Brav-Cubitt, Talia & Buckley, Thomas R., 2022, The Enigmatic Dead-Leaf Miner Geochus Broun (Coleoptera: Curculionidae): Phylogenetic Placement, a New Species, and Lectotype Designations, The Coleopterists Bulletin 76 (1), pp. 1-35 : 29

GeOchUs pOsticalis Broun, 1913 ( Figs. 15–16 )

Geochus posticalis Broun 1913: 121 . Type locality: Wairiri, Kaikoura.

Type Depository. BMNH: HT .

Distribution. New Zealand (KA).

Remarks. Broun based the description on a single specimen that we confirmed as the holotype.

This species forms a species group with G. variegatus . Both species have evenly sized elytral tubercles, which are confined to a transverse line across the top of the elytral declivity, and a short subapical carina on the midline of the pronotum.

Type Material Examined. Holotype ( BMNH): card-mounted, “3291. [in Broun’s hand]// New Zealand. [red underline] Broun Coll. Brit. Mus. 1922-482.//Wairiri. Kaikoura [in Broun’ hand]// Geochus posticalis . [in Broun’s hand]”.

Figures

Fig. 15. Elytral outlines for representatives of each of the Geochus species groups.

Fig. 16. Dorsal habitus photographs of representatives of the type series or holotypes of Geochus arranged into informal groups.