252 PE0CEEDI2sGS OF THE XATIOXAL MUSEUH vol. 88 



Pronotum with prominent laterodorsal tufts of pubescence; punc- 

 tation of dorsum of thorax coarse, irregular; parapsidal grooves 

 partly obscured posteriorly ; mesopraescutiun with longitudinal mesal 

 depression; prepectus visible only as a small triangular sclerite at 

 anterolateral angle of mesoscutum: mesoscutelluni slightly emargi- 

 nate at apex: mesotibial spur minute; metacoxae slender, sparsely 

 covered by long pubescence; outer surface of metafemur densely 

 covered by short pubescence, scattered longer setae present at base 

 and on ventral margin, 14 to 16 teeth present on outer ventral mar- 

 gin, basal one slightly larger; distinct, sharp inner tooth present; 

 apex of metatibia long, sharp; six large apical spines present on 

 posterior tarsus; claw long, basal enlargement with several minute 

 spines. 



Propodeum conspicuously carinate, laterobasal areas with carinae 

 directed obliquely from meson, two strong, lateral, subapical carinae 

 present, spiracular opening vertical; petiole twice as long as wide, 

 surface conspicuously covered with irregular dorsal carinae and 

 rugae, two strong lateral carinae present on either side, ventral one 

 becoming obsolete before reaching apex, a row of long, dense setae 

 present at each lateral margin; gaster usually equal in length to 

 metafemur. third abdominal segment glabrous, without setae, fol- 

 lowing segments covered by short, appressed pubescence; cerci oval, 

 located near anterior margin of epipygiiun ; ovipositor sheath sinuate 

 on ventral margin, apex acutely pointed and provided with a dense 

 tuft of setae, some of which are long and slightly curved; hypo- 

 pygitmi strongly exserted, apex isolated from eighth tergite (as 

 in fig. 13, g). 



Figure 8. — Male antennal scapes of Chalcidini. 



a, Chalets divisa (Walker) : Mesal aspect. 

 h, Chalets lasia, new species: Mesal aspect. 



c, Chalcis neptis, new species: Mesal aspect. 



d, Chalcis flebilis (Cresson) : Mesal aspect. 



e, Chalcis barbara (Cresson): Mesal aspect. 



/, Chalcis canadensis (Cresson): Mesal aspect. 

 g, Chalcis microgaster Say: Mesal aspect. 

 h, Spilochalcis exornata (Cresson) : Mesal aspect. 

 i, Spilochalcis euhule (Cresson) : Mesal aspect, 

 y, Spilochalcis dorsata (Cresson): Mesal aspect. 

 k, Spilochalcis fransitiva (Walker): Mesal aspect. 

 I, m, Spilochalcis phoenica, new species: I, Mesal aspect; m, anterior aspect. 

 n, Spilochalcis nigricornis (Fabricius): Mesal aspect. 

 0, Spilochalcis nortoni (Cresson): Mesal aspect. 

 p, Spilochalcis delicata (Cresson): Mesal aspect. 

 q, Spilochalcis hirtifemora (Ashmead; : Mesal aspect, 

 r, Spilochalcis femorata (Fabricius): Mesal aspect. 

 s, Spilochalcis igneoides (Kirby): Mesal aspect. 

 t, Spilochalcis mariae (Riley) : Mesal aspect. 



