AHT. 15^ REVISION OF SUBFAMILY PLATYGASTERINAE FOUTS. 117 



in the female as short as the thorax to many times as long as the 

 head and thorax united; first tergite short, covered with vt^hite pu- 

 bescence; second tergite the longest, with white pubescence basally, 

 without foveae unless they are minute and obscured with hairs. 



TABLE TO SPECIES. 



1. Scutellum more or less elongate, usually produced posteriorly into a spine; if the 



spine is short and tubercle-like it forms always a continuation of the upper sur- 

 face of the scutellum 2. 



Scutellum short, widened basally, with a tubercle (rarely absent) at apex; the 

 tubercle projects upward to a certain extent and has the appearance of being 

 attached to the scutellum, not prolonging its dorsal surface 10. 



2. Spine absent or shorter than the rest of the scutellum 3. 



Spine longer than the rest of the scutellum 7. 



3. Spine absent, the scutellum perpendicular behind 1. striatifrons Ashmead. 



Spine present 4. 



4. Body yellowish or rufous in color 5. 



Body shining black ". 6 . 



5. Thorax about twice as long as wide, rather strongly compressed. 



2. maculipes (Ashmead). 

 Thorax less than twice as long as wide, not particularly compressed 



3. mlnuta (Ashrnead). 



6. Legs mostly shining black 4. pennsylvanica, new species. 



Legs mostly lighter colored 5. pallipes, new species. 



7. Abdomen wider than the thorax 6. americana (Ashmead). 



Abdomen about as wide as thorax 8. 



8. Fourth antennal joint longer than the second and third united (males) 9. 



Fourth antennal joint shorter than the second and third united. Pedicel not 



twice as wide as the third joint 7. rugiceps (Ashmead) . 



Pedicel more than twice as wide as the the third joint. . 8. puncticeps Ashmead. 



9. Antennal joints four and five united longer than joints three and four. 



9. gahani, new species. 

 Antennal joints four and five united as long as the fourth. 



10. longipes ( Ashmead j. 



10. Notauli complete 11. 



Notauli incomplete 13. 



11. Frons rough, transversely rugose 11. ashmeadl, new name. 



Frons smooth, shagreened 12. 



12. Abdomen in female many times as long as the head and thorax united. 



12. hopkinsi (Crawford and Bradley). 

 Abdomen in female about as long as the head and thorax united. 



13. punctata Ashmead . 



13. Mesonotum protuberant in front of the scutellum 14. 



Mesonotum flattened in front of the scutellum 17. 



14. Abdomen in female considerably longer than the head and thorax united. 



14. longiventris Ashmead. 



Abdomen in female not longer than the head and thorax united 15. 



] 5. Wings tinged with brown 15. flavicornis Ashmead . 



Wings hyaline 16. 



U>. Spine of scutellum moderately long, directed upward; area on either side of mes- 



onotal lobe densely pubescent 16. cynipsiphila Ashmead. 



Spine of scutellum very short, a mere protuberance; area on either side of meso- 

 notal lobe not so densely pubescent 17. globata, new species 



