DESCRIPTIONS OF CERTAIN CHALCIDOID PARASITES. 15 



15. Small; abdomen basally red; tooth nearest base of hind femora not larger than 



rest; hind coxse of female not toothed. (America) columhiana Howard. 



Large; abdomen black; tooth basad on hind femora very large; hind coxse of 

 female toothed. (America) slossonx Crawford. 



16. Scape in front with a yellow spot. (America) coloradensis Cresson. 



Scape in front black 17 



17. Small, about 4™™, wings milky hyaline, lateral teeth on metathorax not promi- 



nent. (Europe) fonscolombei Dufour. 



Larger, about 6™™, wings dusky, lateral teeth on metathorax prominent, 

 acute. (Japan) callipus Kirby. 



CHALCIS OVATA Say. 



(Figs. 8-10.) 

 Chalcis ovata Say, Keating's Narrat. Exped., ii, app., p. 326, 1824. 



This native species is separated from all the exotic species dis- 

 cussed in this article by the fact that the carina at the front of the 



Fig. 8. — Chalcis ovata, female 

 Head, showing carina at 

 front of malar space. ( Orig- 

 inal.) 



Fig. 9.— Chalcis ovata, female: 

 Ventral view of hind coxa, 

 showing tubercle. (Orig- 

 inal.) 



Fig. 10.— Chalcis ovata, female: Hind 

 femur and tibia, showing markings. 

 (Original.) 



malar space runs direct to the eye; in the female the hind coxse are 

 armed with a small tubercle; the inner side of the hind femora is 

 distinctly punctured, and without a tubercle on the lower margin 

 near base; the hind tibiae are either with or without a black annulus 

 medially; the form with the annulus is illustrated. 



CHALCIS ROBUSTA Cresson. 



(Fig. 11.) 

 Chalcis robusta Cresson, Proc. Ent. Soc. Phila., rv', p. 101, 1865. 



Fig. 11. — Chalcis robusta, female: Hind femur and tibia, showing markings. (Original.) 



