Explanation of Plates. 571 



Fiu.20. Lapanias^. , Jan. 1900. 



21. „ Unbidiis, Feb. 1900. 



22. Trnjmodera aterrima, Nov. 1898 to Jan. 1899. 



23. Epicanta pedoralis, Nov. 1898 to Jan. 1899. 



24. „ suhcoriaoea ,, „ „ „ 



25. „ cidestina, Feb. 1900. 



26. „ „ or subcuriacea, Nov. 1898 to Jan. 1899. 



27. Lytta moesta, Nov. 1898 to Jan. 1899. 



The following figures represent a beautiful little group 

 of species of Megachile and their mimics. 



28. Megachile nasalis ?, Nov. 1899. 



29. „ chrysorrhoea $, Jan. 1900. 



30. Oelioxys pusilla ^, Dec. 1899. Probably parasitic on one 



of the two former species. 



31. Laphna sp., TiQ^r Jlavijyes, Feb. 1900. 



Explanation of Plate XX IT. 



Group of yellow tailed, black Mashonaland Aculeates, 



ALMOST entirely DiPLOPTERA, AND THEIR MlMICS. A XyLO- 

 COPID AND ITS ASILID MiMIC. 



All the figures are about | of the natural size. 



All the specimens were captured by Guy A. K. Marshall, and all, 

 except those otherwise described, are from Salisbury, Mashonaland, 

 5000 feet. 



Fig. 1. Scolia erythropijga (^, Dec. 1899. 



2. „ „ ?, April 1900. 



3. yalius tamisieri (f , Mar. 1900. 



4. „ „ 5, Nov. 1899. 



5. „ sjjecfn/m (^, Jan. 1900. 



(5. Rht/nchinm synagruides (^ , Feb. 1900. 



7. Synagris abyssinica, var. 9 » Umtali, 3700 feet, Dec. 1900. 



8. „ mirahilis $, April 1899. 



9. „ emarginaUi 9 > ^^''^r. 1900. 



10. „ analis 9, Umtali, 3700 feet, Dec. 1900. 



11. „ „ (?, Dec. 1899. 



12. „ xanthnra 9. Jan. 1900. 



13. „ emarginatrt ^, April 1900. 



