Explanation of Plate II. 

 I. Chiysops nigricornis Mats. 5. Chrysops japonicus Wied. 



2. Chrysops basalis Shir. 



3. Chrysops basalis Shir. ($) 



4. Chrysops japonicus Wied. 



6. Haematopota formosana Shir. 



7. Haematopota tristis Big. 



8. Haematopota sakhatinensis Shir. 



9. Isshikia japonica Big. 



