Key to Mycetocylapus
1. Small, length of the body 1.9 mm .................................................................. Mycetocylapus minor Poppius (Oriental)
- Length of the body more than 3.4 mm .......................................................................................................................... 2
2. Dorsal surface pale, yellow or yellowish brown; scutellum with pale, distinct stripes laterally (Fig. 2 F)..................... ....................................................................................................................... Mycetocylapus major Poppius (Oriental)
- Dorsal surface darker, dark reddish to castaneous; scutellum without distinct, pale stripes laterally (Fig. 2 G) ............ .............................................................................................. Mycetocylapus pacificus Carvalho (Australian, Oriental)