2IO CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [BuU. 



sculptured with a basal median embossed area, the third 

 dorsal segment without a median area or keel, the furrows be- 

 tween the second and third and between the third and fourth dor- 

 sal segments crenulate, the second to fourth dorsal segments much 

 wider than long down the middle, the third dorsal segment with- 

 out a punctate transverse subapical line. 



Key to Species. 



1. Abdomen mostly smooth and polished 2 



Abdomen mostly rugoso-punctate, exserted portion of ovi- 

 positor shorter than "abdomen augustus 



2. Ultimate and penultimate joints of maxillary palpi stramine- ' 



ous; exserted portion of ovipositor longer than abdomen 



eurygaster 

 Ultimate and penultimate joints of maxillary palpi black; 

 exserted portion of ovipositor shorter than abdomen ....agrili 



°I. (M.) agrili (Ashmead). B r aeon agrili Ashmead. 



I. (M.) eurygaster Brulle. Howard, Insect Book, PI. viii, 

 Fig* 33- Parasitic on an unknown longicorn beetle taken in 

 South Woodstock. Has been taken in and around New Haven 

 in June, July and August. 



*I. (M.) augustus Viereck (new species.) 

 Type locaHty: North Haven, 13 August, 1905 (H. L. V.). 



Coeloides Wesmael. 



C. pissodis Ashmead. 



First dorsal abdominal segment yellowish red, as is the re- 

 mainder of the abdomen ; length 3.2 mm. ; ovipositor with its ex- 

 serted portion 2.6 mm. long. 



Host: the white-pine weevil (Pissodes strobi), a very common 

 beetle throughout the state, living also on Norway spruce. 



Rainbow, 1911 (S. N. Spring). 



°C. scolytivorus (Cresson). 



Head and thorax mostly black ; abdomen and legs almost en- 

 tirely brownish stramineous; length 4 mm., exserted portion of 

 ovipositor 5.5 mm. long. 



Host: hickory bark-borer {Scolytus caryce). 



Atanycolus Foerster. 

 A. simplex (Cresson). Howard, Insect Book, PI. ix, Fig. 11. 

 Length 1 1 mm. ; exserted portion of ovipositor as long as the 



