— ee a ~~ 
Arad : ¢ 
Te 
- 
<e 
INTRODUCTORY PAPERS ON ICHNEUMONIDZ. 229 
* Legs entirely red. - - : - 40. insolens, 14 line. 
2 * Apex of the hinder femora, middle and hinder tibize, brown. 
geochares, 1% line. 
Division 2.—Aculeus a little more than half the length of the abdomen. 
Black ; thorax and petiole red. - 18. Hoffmanseggii, 2 lines. 
A. Mesothorax without a scutellum. 
The Ist segment of abdomen with the spiracles projecting; reddish 
yellow, the head and abdomen from the 3rd segment black. 
Hem. avidus, 1% line. 
B. Mesothorax with a distinctly defined scutellum. 
a. The 1st segment of abdomen with the spiracles projecting very much. 
Head much broader than the thorax; transverse ridge of metathorax 
distinct from side to side; the back part of the metathorax some- 
what shorter than the upper part. 
Black-brown; base of antennz, prothorax and part of mesothorax, 
Ist and 2nd segments of abdomen, and legs, red. 
41. lustrator, 1} line. 
b. The 1st segment of abdomen with the spiracles moderately projecting. 
* Legs black-brown. 
Black. - - - - - - 42. anguinus, + line. 
** Legs reddish neler, 
Reddish yellow; head and abdomen from the 3rd segment black. 
43. insidiosus, 12line. 
ce. The lst segment of the abdomen with the spiracles not projecting. 
* Insect very narrow and elongated. 
Black; legs partly piceous. . - 44, linearis, 1—14 line. 
x Tnsect broader. 
+ Abdomen with scattered pubescence. 
Black; base of antenne, part of prothorax, apex of lst and 2nd 
segments, and legs, reddish yellow. - 45. indagator, 14 line. 
++ Pubescence on abdomen not scattered. 
t Abdomen black, or no segment entirely red. 
Black; base of antennee, part of mesothorax, apex of Ist and 2nd 
segments partly, and legs, reddish yellow. 46. ageletes, 13 line. 
Abdomen with at least one segment entirely or greater part reddish 
yellow. 
Metathorax with a distinct transverse ridge. 
§ No segment entirely yellow. 
Black-brown ; base of antenne, part of thorax, lst and 2nd segments 
of abdomen, and legs, reddish yellow. -  ? conveniens, 14 line. 
§§ The lst segment reddish yellow. 
Black ; base of antenne, part of thorax, Ist segment entirely, sides 
of 2nd, and legs, reddish yellow. - - 47. secretus, 14 line. 
§§§ The 1st three segments entirely yellow. 
Reddish yellow; sides of thorax and abdomen from the 4th segment 
black. = - - - - - 48. dysalotus, 14 line. 
Thirty-five species of this genus are included as British in 
Marshall's ‘ Catalogus’ (1870), but this number is increased to 
forty-eight in the 1872 catalogue. P. nigritus, Foerst., P. dis- 
tinctus, Foerst., P. imtermedius, Foerst., P. incertus, Foerst., 
+ 
++ 
