Culicoides immaculatus

Bel Li, G. A., Dyce, A. L., Gopurenko, D. & Mitchell, A., 2013, Revision of the Immaculatus Group of Culicoides Latreille (Diptera: Ceratopogonidae) from the Australasian Region with description of two new species, Zootaxa 3680 (1), pp. 15-37 : 23

Key to males in the Immaculatus Group of Culicoides

1. Eyes with interfacetal hairs.............................................................................. 2

- Eyes bare............................................................................................ 3

2. Antennae feminized, lacking plume of SCh on basal flagellomeres............................ C. agas Wirth & Hubert

- Antennae with plume of SCh on flagellomeres 1–10, numbers on 9 and 10 reduced.................... C. collessi sp.n.

3. 9th tergite with apicolateral processes longer than wide............................................ C. shivasi sp.n.

- 9th t ergite w ith apicolateral processes shorter than wide or absent.......................... C. immaculatus Lee & Reye