180 Annals of the South African Museum. 



EXPLANATION OF PLATES. 



PLATE I. 



TIG. 



1. Bombylius mutilatus, n. sp. Wing. 



2. capensis, Lin. Wing. 



3. megaspilus, n. sp. Wing. 



4. punctatellns, n. sp. Wing. 



5. pentaspilus, n. sp. Wing. 



6. peringueyi, n. sp. Whole insect. 



7. hirticeps, n. sp. Head. 



8. Systoechus scabrirostris , n. sp. Whole insect. 



9. Anastoechus rubricosu.i, Wied. Whole insect. 



10. jEurycarenus sessilis, n. sp. Wing. 



11. Dischistus plumipalpis, n. sp. Whole insect. 



12. Sosiomya comata, n. sp. Whole insect and head magnified. 



13. Oniromya pachycerata, Big. Whole insect. 



14. Corsomyza pennipes, Wied. Whole insect. 



15. CallynthropJiora magnifrons, n. sp. Whole insect. 



PLATE II. 



FIG. 



16. Megapalpus nitidus, Macq. Whole insect. 



17. Gonarthrus cygnus, Big. Whole insect. 



18. Pseudempis heteroptera, Wied. Whole insect. 



19. Peringweyimya capensis, Big. Whole insect. 



20. Pteraulaxflexicornis, n. sp. Whole insect. 



21. Petrorossia vinula, n. sp. Wing. 



22. Spongostylum muticum, n. sp. Wing. 



23. Thyridanthrax calochromatus, n. sp. Wing. 



24. ternariux, Bez. Wing. 



25. Litorrhynchus maurus, Thimb. Whole insect. 



26. Exoprosopa pentala, Macq. Wing. 



27. offuscata, n. sp. Wing. 



28. neurospila, n. sp. Wing. 



29. nemesis, Fabr. Whole insect. 



30. capensis, Wied. Wing. 



31. dilatata, n. sp. Wing. 



32. Hyperalonia coleoptrata, n. sp. Wing. 



