INTRODUCTORY PAPERS ON IGHNEUMONIDZ. 227 
++ Abdomen not entirely red. 
i) 
+ 
os 
++ 
00 
000 
§§ 
b. 
ste 
BS 
The 1st segment only red,:or reddish yellow. 
Metathorax much longer than the mesothorax. 
Thorax and legs reddish yellow. — - - 23. modestus, 14 line. 
Metathorax not much or not at all longer than the mesothorax. 
Hairs on the apical portion of the abdomen somewhat scattered. 
Thorax and legs red. - - - : ? distinctus, 1 line. 
Hairs on the apex of the abdomen not scattered. 
Mesothorax with an imperfectly defined scutellum. 
Thorax more or less red or brown; legs partly brown. 
: ? intermedius, 13 line 
Mesothorax without a scutellum. 
Middle and hinder tibize more or less marked with brown at the apex 
and before the base; antenne dark red, or brown-red. 
Thorax light red; 1st segment of abdomen the same colour. 
Miilleri, 14 line. 
Thorax dark red or brown ; 1st segment lighter. - incertus, 1 line. 
The 1st two segments red. 
Head lighter or darker red. 
Reddish yellow ; 3rd and 4th segments of abdomen brownish. 
juvenilis, 1 line. 
The 1st three or four segments red. 
Base of antenne, thorax and legs, red; hind knees and apex of hind 
tibie brown. - - - - - xylochophilus, 14 line. 
. Aculeus longer or shorter than the 1st segment of the abdomen. 
Aculeus shorter than the 1st segment. 
Thorax and abdomen black. 
Base of antenn and legs red. - - : 24. agilis, 1} line. 
« Thorax and abdomen not entirely black; the metathorax not, or but 
little, longer or shorter than the mesothorax. 
Ist segment of abdomen with distinctly projecting spiracles. 
Thorax with an imperfectly-formed scutellum. 
Base of antenne, thorax, 1st segment of abdomen and legs, red. 
25. bicolor, almost 2 lines. 
Spiracles on the lst segment of abdomen not, or scarcely, protruding. 
Thorax entirely red. 
Black-brown; base of antenne, thorax, Ist three segments of 
abdomen and legs, red. - - - 26. viduus, 1—14 line. 
Thorax partly red and partly brown ; without a trace of scutellum. 
Ist segment of abdomen without projecting spiracles. 
Red ; head, apex of antennee, metathorax, and abdomen from the 
3rd segment, black. 
Aculeus hardly half as long as the 1st segment. 
micrurus, 1—14 line. 
Black; base of antenne, prothorax and mesothorax, petiole and 
legs, red. 
Aculeus somewhat shorter than the 1st segment. 
27. providus, 1—2 lines. 
Aculeus distinctly longer than the lst segment; thorax red. 
1st segment only of the abdomen red. 
Base of antenne and legs red. - - - 28. cuutus, 12 line. 
