Formicidae Species C

Uwe Kaulfuss & Gennady M. Dlussky, 2015, Early Miocene Formicidae (Amblyoponinae, Ectatomminae,? Dolichoderinae, Formicinae, and Ponerinae) from the Foulden Maar Fossil Lagerstätte, New Zealand, and their biogeographic relevance, Journal of Paleontology 89 (6), pp. 1043-1055 : 1051

Formicidae Species C

Figure 10.1, 10.2

Description.—Forewing, 7.7 mm long, with closed cells 1 + 2r, 3r and mcu; closed rm absent. Pterostigma well developed. Vein sections 5RS and 4M with joint start (rs-m lost). Cell 3r 3.3 times longer than wide. Cell 1 + 2r nearly 2.6 times longer than wide. Cell mcu trapezoid (RS + M appreciably shorter than 1Cu). Vein 1RS nearly as long as 1M. Cross-vein cu-a displaced to the base of wing: vein section 2M + Cu a little shorter than 1Cu and nearly twice as long as cu-a.

Material.—Specimen OU44902; an isolated forewing; deposited in the Department of Geology, University of Otago.

Occurrence.—Foulden Maar diatomite, Waipiata Volcanic Field, Otago, New Zealand; early Miocene.

Remarks.—The wing venation of the fossil is usual in the subfamily Formicinae . The wing differs from those of Myrmecorhynchus novaeseelandiae n. sp., described above, by its larger size, the proportions of cells 1 + 2r and 3r, and the comparatively short vein section 2M + Cu. The two native genera of extant Formicinae in New Zealand, Camponotus and Prolasius , both have forewings without a closed cell mcu.