Key to separate Oriental species of the subgenus Minettia

1. Mesonotum and abdomen shining.................................... Minettia (Minettia) imparispinosa (Sasakawa)

– Mesonotum and abdomen not as above.................................................................... 2

2. Mesonotum without pruinose or colored stripes (Fig. 133); abdomen entirely black without yellow stripe (Fig. 134)........................................................................................... M. (M.) baii sp. nov.

- Mesonotum with pruinose or colored stripes; abdomen entirely yellow to brown or black with yellow stripes............. 3

3. Abdomen entirely yellow to brown, without stripes (Fig. 124)............................ M. (M.) annulifera sp. nov.

- Abdomen yellow to black, if yellow with stripes............................................................. 4

4. Mesonotum with three pairs of grayish white pruinose stripes and three pairs of grayish white pruinose spots, one grayish white short pruinose stripe present between prescutellar setae, scutellum with a pair of grayish white pruinose spots at tip; two postsutural dorsocentral setae (Fig. 153); all tibiae with three brown rings (Fig. 152); apex of R 1 with one brown spot (Fig. 151); abdomen yellow, tergites 1–4 with discontinuous black stripes, tergites 5–6 with six black spots (Fig. 154); syntergosternite not as below (Fig. 157)............................................................... M. (M.) terminalis sp. nov.

– Mesonotum with one broad grayish white pruinose stripe extending to tip of scutellum; the margin of scutellum yellow; three post-sutural dorsocentral setae (Fig. 143); tibia without brown ring (Fig. 142); subcostal cell without brown spot (Fig. 141); abdomen tergites 4–6 yellow on posterior margin, tergites 5–6 with yellow triangular median spots confluent with yellow posterior margin stripes (Fig. 144); syntergosternite circular (Fig. 147)...................... M. (M.) scutellata sp. nov.