PARASITIC IIYMENOPTERA. 545 



palpi and legs whitish. Antennas 20-jointed, a little longer 

 than the body, the joints of the flagellum more than three 

 times as long as thick. Wings hyaline, the second ab- 

 scissa of the radius not or scarcely longer than the first. 



Described from two 9 specimens from San Jose del 

 Cabo. 



Chelonus Jurine. 



12. Chelonus albobasilaris Ashm. 



Proc. Cal. Acad. Sci. (2) iv, p. 123. 

 One $ and one $ from San Lazaro. The 6 agrees with 

 the female except that the abdomen has a transverse fis- 

 sure at the apex, as in C. Jisstcs Prov., C. niinmius Cr., 

 etc. Some authors have described these as females, but 

 I have ascertained by a careful examination that they are 



really males. 



Apanteles Forster. 



13. Apanteles mexicanus sp. n. 



(3 $ . — Length 2-2.2 mm. Black, shining, the meso- 

 thorax above punctate ; the head, disk of mesopleura and 

 episterna of metathorax smooth, impunctate; the scutel- 

 lum is almost smooth but with some sparse punctures; 

 palpi white; scape, pedicel beneath and legs (except hind 

 coxae, tips of hind femora and tibi^ and their tarsi which 

 are black or fuscous) reddish-yellow; the abdomen be- 

 neath and sometimes the suture between segments 3 and 

 4, brownish -yellow ; flagellum brown -black, paler be- 

 neath. Wings hyaline, the stigma and veins brown, the 

 inner vein of the open areolet is a little longer than the 

 recurrent nervure. Metathorax short, rugulose with a 

 median carina. Abdomen with the plate of first segment 

 trapezoidal, about i^ times as long as wide, the hind an- 

 gles slightly rounded ; the second segment in $ is a little 

 shorter than the third, in the 6 a little longer than the 

 third; segments i and 2 are feebly sculptured, the follow- 



