146 PROCEEDINGS OP THE NATIONAL MUSEUM. ^ou 50. 



about buckthorn brown (R.), the middle tibiae a little darker, and 

 the rest of the legs except the middle tarsi and spur brownish black 

 with a slight bluish luster on the coxae. First funicle joint about a 

 fourth longer than thifk, the following joints about as long as thick; 

 postmarginal vein a little shorter than the stigmal. Length of female, 

 1.74 to 1.88; length of male, 1.51 mm. 



Series 11. Three females, one male reared from an Orcus species 

 (the larval remains mounted with the parasites seem identical with 

 those labeled 0. australasiae under Koebele's No. 2), Australia 

 (A. Koebele). Like the preceding series except that the underparts 

 of the thorax and the front and middle coxae and femora are ochra- 

 ceous tawny (R.), the middle tibiae cinnamon brown (R.), the front 

 tibiae and tarsi a little darker, the hind legs blackish brown, and all 

 the coxae with bluish luster; but in two of the females the front legs, 

 except the coxae and underside of femora, and the middle tibiae are 

 concolorous with the hind legs. First two funicle joints a little 

 longer than thick, the following joints about as long as thick; the 

 postmarginal vein about as long as the stigmal. Length of female, 

 1.77 to 1.86; length of male, 1.63 mm. 



Series 12. Two females, two males reared from Orcus nummularis 

 (Boisduval), Australia (A. Koebele), Koebele's No. 47. Practically 

 identical with the darker specimens of the preceding series. Length 

 of female, 1.60 to 1.73; length of male, 1.55 mm. 



Series 13. Two females, one male reared (at Honolulu, Hawaii) 

 from larva of Orcus lafertei Mulsant, Bundaberg, Queensland, De- 

 cember 16, 1904 (A. Koebele and R. C. L. Perkins). Much hke the 

 preceding series, but the coxae are more bluish metallic and the 

 mesoplura have a bluish luster. First two funicle joints about a 

 fourth longer than thick, the following joints gradually shortening, 

 the sixth about as long as thick; the postmarginal vein nearly as 

 long as the stigmal. Length of female, 1.83 to 1.93; length of male, 

 1.76 mm. 



Series 14. Two females (cotypes of H. microgaster Girault), Austra- 

 lia (A. Koebele). Practically identical with series 9. Length, 

 1.60 mm. 



Series 15. Two females (cotypes of H. orci Girault) reared from 

 larva of Orcus janthinus Mulsant, Salatiga, Java. Colored much as 

 in the preceding series, but the sixth funicle joint blackish. The 

 first funicle joint about a half longer than thick, the following joints 

 a little shorter but longer than thick; postmarginal vein about a 

 third shorter than the stigmal. 



In all 01 tne Australian series the head is slightly longer compared 

 with the width, the scape narrower than usual, much as in terminalis 

 of North America, and the pubescence of the face seems slightly 

 longer and more abundant. 



