NO. 2136. REVISION OF THE GENUS APHYCUSTIMBERLAKE. 589 



2. Scape of antenna not expanded, club yellow or whitish 3. 



Scape moderately expanded, club black, preceding joints whitish. 



1. maculipennis, new species. 



3. Antennae entirely yellowish white, ovipositor slightly protruded. 



2. albicornis, new species. 

 Club yellow, preceding joints mostly brown, ovipositor strongly protruded. 



3. apkalis (Dalman). 



4. Alternate bands on wings not conspicuously contrasting 6. 



Dark colored ciliary bands conspicuous and contrasting with pale areas. 



Scape widely expanded, wings with only one pale band 5. 



Scape narrower, about one-third as wide as long, an additional pale area at 

 base of wing 4. lecanii Howard. 



5. Mesonotum blackish brown 5. fusdpennis Howard. 



Mesonotum ochraceous 6. schwarzi, new species. 



6. Ocelli in an acute-angled triangle, pale band of wings narrow 7. 



Ocelli in an equilateral triangle. 



Pale band narrow and interrupted on the anterior border of wing, dorsum of 

 abdomen blackish 7. rileyi, new species. 



Pale band wide and extending across disk of wing, dorsum of abdomen pale 

 brown 8. subfasdatus, new species. 



7. Tibiae marked with one or two pair of small brown dots 8. 



Tibiae with heavy blackish annuli 9. johnsoni Howard. 



8. Coloration pale orange yellow, no black on the propodeum or dorsum of abdomen. 



10. cockerelli Howard. 



Coloration bright orange yellow, propodeum and dorsum of abdomen blackish 

 brown 11. similis, new species. 



9. Scape not expanded below, or less than one-third as wide as long 23. 



Scape expanded, at least one-third as wide as long. 



Club black or blackish brown, preceding joints whitish 10. 



Club yellow except at base, preceding joints black. 



12. physokermis, new species. 



10. Mesonotum orange yellow or yellowish 11. 



Mesonotum blackish brown 13. coquilktti Howard. 



11. Ocelli in an acute-angled triangle 16. 



Ocelli in an equilateral triangle or nearly so. 



Tibiae immaculate 14. 



Tibiae dotted or banded with blackish 12. 



12. Cheeks not marked with brown next to the mouth 13. 



Cheeks and face brown next to the mouth, front and vertex not over one-half 



longer again than wide 14. melanostomatus, new species. 



13. Scape moderately expanded, front and vertex twice as long as wide or nar- 



rower 15. lounsburyi Howard. 



Scape very wide, front and vertex wider than in the preceding 



16. punctipes (Dalman). 



14. Metanotum, propodeum and abdomen blackish in great part 15. 



Metanotum and propodeum orange yellow, abdomen except the margins brown. 



17. albopleuralis Ashmead. 



15. Mesonotum bright orange yellow, front and vertex nearly twice as long as wide. 



18. kingi, new species. 



Mesonotum pale yellow, front and vertex about three-fourths longer again than 

 wide 19. mayri, new species. 



16. Mesoscutum not marked with blackish 17. 



Mesoscutum with curved, transverse blackish line on each side near base. 



20. Hchtensiae Howard. 



