Key to Oriental species of Phylloclusia
1. Bristles black; face flat; first antennal flagellomere small, rounded; arista slender; male cercus short (Sri Lanka)....................................................................... Phylloclusia lanceola Lonsdale and Marshall, 2007
- Bristles yellow to brownish yellow; face with median carina; first flagellomere large, triangular; arista compressed; male cer- cus long............................................................................................. 2
2. Scutellum brown, with anterolateral corners yellow [female; Malaysia (Sarawak), Indonesia]........................................................................................ .. P. nigroscutellum Lonsdale and Marshall, 2007
- Scutellum yellow, with lateral margins brown............................................................... 3
3. Mesoscutum broadly brown-striped; male cercus 2/5–3/5 as long as epandrial height............................... 4
- Mesoscutum narrowly striped; cercus as long as epandrial height................................................6
4. Face with dark brown central spot........................................................................ 5
- Face faintly infuscated at middle; katepisternum blackish anteriorly; surstylus suboval, with small protuberance at middle of inner side (Fig. 5) [Malaysia (Sabah)]................................................. P. sternopleuralis sp. nov.
5. Mesoscutum with stripes extending to anterior margin of scutum; anepisternum and katepisternum yellow; surstylus swollen anterolaterally, slightly projecting ventrally (Figs 1, 2; Laos, Vietnam, S. China)..................... P. bivittata sp. nov.
- Mesoscutum with stripes extending slightly beyond transverse suture; anepisternum and katepisternum brown anteriorly; sur- stylus subtriangular, slightly angled anteriorly (Taiwan, Philippines).............. P. hendeli Lonsdale and Marshall, 2007
6. Mesoscutum with narrow postsutural stripes; surstylus bent at middle, distinctly projecting anteriorly [Indonesia, Malaysia (Sabah), Philippines, Thailand]........................................... P. darlingi Lonsdale and Marshall, 2007
- Mesoscutum with stripes bifid posteriorly; surstylus triangular, slightly pointed apically (Taiwan, South China, Philippines)................................................................................. P. steleocera Hendel, 1913