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B. 
INTRODUCTORY PAPERS ON ICHNEUMONID® 101 
CuasMoDEs, Wesm. 
Scutellum white; legs greater part red; antenne and abdomen of 
female tricoloured; abdomen of male, 2nd segment, red, or 
quite black ; antenne sometimes white ringed. 
1. motatorius, 5—6 lines, male aud female (male, ant., s, l, a). 
Scutellum white; antenne white-ringed; abdomen and legs black ; 
tibie of male white-ringed. 
2. lugens, 84 lines, male and female. 
Both species of this genus are beautifully figured by Vollen- 
hoyen on plate 2 of ‘ Pinacographia.’ The variable C. motatorius 
has several times been recorded as parasitic on Nonagria typhe ; 
and Mr. Weston has bred it from the closely-allied NV. gemintpuncta. 
The rarer C. lugens has not apparently been bred. The females 
of both species are known to hybernate as imagos. 
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IcHNEUMON, Lin. 
Srecrron 1.—Scutellum and abdomen black. 
Antenne with a white ring (females). 
. ‘Tibie (especially the hinder one) white in the middle. 
Inner orbits of eyes straw-coloured. - 21. periscelis, 6—9 lines. 
Inner orbits red. - - - - 78. pallifrons, 4—7 lines. 
Inner orbits not pale marked. 
Hinder coxe not pubescent beneath. 
69. nigritarius, 53—6—7 lines (A, 1). 
Hinder coxe pubescent beneath. 
71. fabricator, 3—6—7 lines (s, l, a). 
Hind tibia not white marked. 
Hind tarsi white-ringed. - - 180. maculiventris, 6 lines. 
Hind tarsi not white-ringed. 
Aculeus slightly projecting. 
Coxe and trochanters black. 
Thorax without white marks; areolet wide above. 
Stigma nigro-fuscous. - - - 17. comitator, 6—8} lines. 
Stigma pale red. - - : - 18. derasus, 6 lines (J). 
Thorax with pale marks; areolet narrow above. 
2. bilineatus, 6—8+ lines (s, ¢, l). 
Coxe and trochanters red. - - 129. maculicornis, 24 lines. 
Aculeus as long as from the 5th to the 7th segment. 
70. punctifrons, 3 lines. 
Antenne not white-ringed (females); greater part of legs red. 
15. impressor, 6 lines. 
Antenne apical half red (males). - - 143. rufipes, 5—6}4 lines. 
. Antenne white-ringed (males). 
69. nigritarius, 5—6—7 lines (h, t, l). 
. Antenne not white-ringed (males). 
. Tibiz (especially the hinder one) white-ringed. 
: Front coxe straw-coloured. - - - 21. periscelis, 6—9 lines. 
