THE CANADIAN ENTOMOLOGIST. 77 



basal two-thirds of second, striated, the second 



with a transverse furrow at the middle 



C. melleus, Riley. 



Ovipositor one-third the length of abdomen. 



Metathorax rugose, but not areolated ; first abdominal segment 

 and basal half of second, striated ; rest of abdomen 

 smooth, polished; antennae in 2 /8-, in <$ 19-jointed. . . . 



C. Koebelei, Riley. 



Metathorax with a petiolate, diamond-shaped area at the middle 

 and with two areas at base ; first, second and base of third 

 abdominal segments striated, the rest smooth, polished ; 



antennae in $ 24-jointed, in $ 27 or 28-jointed 



C. Chittendenii, sp. n. 



(10) C. langurice, sp. n. Caenophanes languriae, Ashm., MS., Ins. Life, 



IV, p. 258. 



£ , 9 . — Length, 2.5 to 3 mm.; ovipositor scarcely as long as the abdo- 

 men. Head and thorax black, the parapsidal furrows, collar and meso- 

 pleura ferruginous, with sometimes the face and orbits ferruginous, the 

 second abdominal segment with 2 transverse impressed lines ; abdomen 

 in g pale ferruginous, in $ darker, with the base of second abdominal 

 segment and the three last segments yellowish. Head minutely punc- 

 tulate ; antennae in both sexes 28-jointed ; wings sub-hyaline, the first and 

 second branches of the radius equal in length ; first abdominal segment, 

 basal two-thirds of second, and base of the third, and in the £ the 

 sutures at base of 3, 4 and 5, striated. 



Hab. — Morgantown, W. Va. 



Bred Dec. 24, 1891, and Feb. 24, 1892, from Langicria larvae living 

 in pith of Ambrosia trifida and artemisicefo/ia. 



(11) C. anthaxice, sp. n. Caenophanes anthaxiae, Ashm, MS, Ins. Life, 



IV., p. 258. 

 £ , 2 . — Length, 2.5 to 3 mm.; ovipositor half the length of abdomen. 

 Head and thorax in £ black, in 2 fuscous ; the head polished, im- 

 punctured ; thorax closely microscopically punctate, the middle lobe 

 posteriorly rugose ; abdomen ferruginous, the first segment, basal two- 

 thirds of the second, and the suture between segments 3 and 4, striate ; 

 legs pale yellow • wings hyaline, the first abscissa of radius two-thirds the 

 length of the second. Abdomen sometimes fuscous, with a pale blotch, 

 at the middle. 



