402 PROCEEDINGS OF THE ACADEMY OF 



apical margins of remaining segments, dilated laterally', briglit 

 lemon-3'ello\v; wings li3-aline, costa broadly fuscous, stigma pale 

 honey -yellow; flagellura with a pale fulvous annulus near base; 

 line on femora beneath, and another on postei'ior coxte fuscous ; 

 narrow apical margin of second and lateral margin of three fol- 

 lowing segments black. Opaque; antennse slender, filiform; 

 mesothorax trilobate, the middle lobe channelled mediall^'^ ; scu- 

 tellum flattened ; metathorax short, smooth, rounded; wings long, 

 areolet elongate, irregularly quadrangular; legs rather short and 

 subrobust; abdomen subpetiolate, clavate, first segment smooth, 

 channelled centrally', remaining segments densely punctured, with 

 a subapical transverse ridge on second, third, and fourth segments. 

 Length 6^-8 lines. 



Orizaba. (Sumichrast, No. 101.) 



12. Pimpla zapoteca, n. sp. 



'h 9 Lemon-yellow; antennse dull testaceous, brown at base 

 above and at tips, scape yellow beneatli ; occiput, spot behind 

 insertion of antennae, confluent with another inclosing ocelli, black; 

 three broad lines on mesothorax, its lateral and posterior sutures, 

 the abrupt sides of scutellum, sutures of pleura, confluent with a 

 line beneath the tegulfe, basal sutures of metathorax, confluent 

 with two medial, longitudinal lines, which are again confluent 

 posteriorly, line on posterior coxae exteriorly, medial line on first 

 segment of abdomen, contracted in the middle, and the remaining 

 segments above, except their apical margins, black ; the apical 

 3'ellow margin of the third segment is much broader than in an3'- 

 of the others, while that on fourth and remaining segments is very 

 narrow, and almost obsolete on the last segment ; posterior femora 

 above, their tibiae at base and apex and the tips of all the tarsi, 

 fuscous ; wings yellowish-liyaline, nervures and stigma orange- 

 yellow; ovipositor blackish. Antenuiie about as long as the body, 

 slender; thorax densel3' punctured; base of metathorax with two 

 short, elevated, longitudinal lines at base ; abdomen sliglitly 

 thickened posteriorly, densel3' and rather roughly sculptured, the 

 segments contracted at base, first segment with two elevated, 

 longitudinal carinsx* ; ovipositor about one-third the length of the 

 abdomen. Ijcngth 4j-6 lines. 



Orizaba. (Sumichrast, No. 53.) 



13. Fimpla'? chichimeca, n. sp. 



1. Lemon-yellow, thinly pubescent; tips of mandibles, line 



