Ephucilla, Lelej, 1995

Okayasu, Juriya, 2020, Velvet ants of the tribe Smicromyrmini Bischoff (Hymenoptera: Mutillidae) of Japan, Zootaxa 4723 (1), pp. 1-110 : 65-66

Key to the females of Ephucilla of the world

(Unknown for E. cheni , E. drupa , E. guentheri , E. naja , E. panfilovi , E. undata and E. yuliana )

1. Dorsum of pronotum with a pair of more or less developed teeth on anterior margin; T2 with bluish metallic luster........ 2

- Pronotum without such teeth; T2 black.................................................................... 6

2. Head black; gena with large confluent punctures; mandible with two inner denticles; lateral margins of mesosoma convergent posteriorly; T1 black; T2 without pale setal spot............................................................. 3

- Head yellowish red; gena with minute sparse punctures; mandible without inner denticles; lateral margins of mesosoma subparallel; T1 yellowish red; T2 with basomedial elongate spot of pale golden setae; species from Vietnam and Indonesia............................................................................................ E. bacbo (Lelej)

3. Frons and vertex punctate, intervals smooth; humeral carina lamellately projecting dorsally; width of scutellar scale more than 2.0 × its length and diameter of nearby punctures............................................................ 4

- Frons and vertex longitudinally puncto-striate, intervals micro-punctate; humeral carina weakly developed; width of scutellar scale 1.0 × its length and diameter of nearby punctures; species from Amami-ôshima, Japan.......... E. yoshitakei sp. nov.

4. Dorsal pronotal tooth apically pointed; humeral carina dorsally tuberculate........................................ 5

- Dorsal pronotal tooth small rounded; humeral carina dorsally rounded; species from Taiwan............ E. thalia (Mickel)

5. Dorsal pronotal tooth small; species from Okinawa-jima Is., Japan................................ E. suginoi sp. nov.

- Dorsally pronotal tooth large; species from Yaeyama Isls., Japan............................... E. brevitegula sp. nov.

6. Dorsum of pronotum with a pair of sublateral inconspicuous patches of appressed white setae; T1 yellowish red; T2 with baso- medial elongate spot of white setae; punctures on S2 large; species from India and Sri Lanka..... E. poonaensis (Cameron)

- Pronotum without setal patch; T1 black; T2 without setal spot; punctures on S2 minute; species from Indochina.................................................................................................... E. viet (Lelej)