Calycomyza dominicensis Spencer

(Figs. 17–19, 54)

Calycomyza dominicensis Spencer, Spencer & Stegmaier 1973: 183; Martinez & Étienne 2002: 29; Spencer et al. 1992: 285; Spencer 1990: 269.

Specimens examined. Costa Rica. Prov. Puntarenas. Coto Brus. Z.P. Las Tablas. Est Biol Las Alturas. 1500-1600m. 11-19 MAR 2013. Proyecto ZADBI . Malaise trap, ZADBI-680. -82:50:04 08:57:07 #106671. INB0004442403 (1M: MNCR); same except 5-13 AGO 2013, ZADBI-1270, #107949. INB0004440254 (1F: MNCR); same except #107949. INB0004440228 (1F: MNCR); same except 28 ENE-4 FEB 2013, ZADBI-548, #106219. INB0004450237 (1F: MNCR) .

Comments. This species was previously known from the Caribbean Region. Although possible mines on Elephantopus elatus Bertol in Florida (Spencer & Stegmaier 1973) and mines on E. mollis (H.B.K.) in Venezuela (Spencer 1973b) may represent this species (Spencer et al. 1992). Calycomyza dominicensis can be distinguished from other Neotropical Calycomyza by its size (2.2 mm in male to 2.5 mm in female), presence of three dc (3 rd dc much reduced), fronto-orbital plate slightly darkened to upper ors and by the distinctive well sclerotized phallus, with a pair of distinct tubular extensions, extending beyond the margin of the distiphallus in lateral view (Fig. 17). The specimens examined correspond to the original description except the male specimen is a little larger, with a wing length of 2.4 mm, and females are smaller with a wing length from 2.0 to 2. 3 mm. The epandrium and surstyli with multiple spines (Fig. 19), and ejaculatory apodeme with large stalk and blade slightly expanded (Fig. 18) are for the first time illustrated. This species was only collected at Las Alturas.

Host plant. Elephantopus sp. ( Asteraceae).

Distribution. Cuba, Costa Rica *, Dominica, Guadeloupe (Fig. 54).