Callipharixenos philippines

Kathirithamby, Jeyaraney, Mcmahon, Dino P., Anober-Lantican, Gaudencia M. & Ocampo, Virginia R., 2012, An unusual occurrence of multiparasitism by two genera of Strepsiptera (Insecta) in a mango leafhopper Idioscopus clypealis (Lethierry) (Hemiptera: Cicadellidae) in the Philippines, Zootaxa 3268, pp. 16-28 : 22

Key to male Halictophagus in the Philippines

1. Aedeagus very long anterior projection at 90o, and half the length to the horizontal stem........................ javaensis

- Aedeagus shorter anterior projection at less than 90o, and a third or less in length to the horizontal stem................. 2

2. Abdomen VI-VIII with posterior projections........................................................... steffani

- Abdomen VI-VIII without posterior projections............................................................. 3

3. Aedeagus sharply barbed; basal maxillary segment small, palpi broad........................................ piperi

- Aedeagus and basal and palpi of maxillary segment not so..................................................... 4

4. Aedeagus unicinate............................................................................... fulmeki

- Aedeagus not unicinate................................................................................. 5

5. Flabellum VII of antennae shorter than V and VI; antennal segment III with broad basal portion absent, and segment IV not broad........................................................................................... australiensis

- Flabellum VII of antennae of equal length to V and VI; antennal segment III with broad basal portion, and segment IV broad6

6. Small species less than 1.5mm ................................................................... bipunctatus

- Larger species more than 2mm .................................................................... phaedoes