312 C0NNECTIC1 I GEOL. VND NAT. HIST. SURVEY. [Bull. 



Holmgrenia Foerster. 

 tarsalis Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 293. 



Rhimphalea Foerster. 

 erythrogastra Viereck. Conn. Geol. Nat. Hist. Surv., Bull. 22, 

 2i)< >. 



Polyblastus Hartig. 

 pedalis Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 297. 



Erromenus Holmgren. 

 dimidiatus Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 

 -1)8. 



Euceros Gravenhorst. 

 fiavescens Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 



299. 

 thoracicus Cresson. Ibid., Bull. 22, 299. 



Sympherta Foerster. 

 burra Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 299. 



Rhorus Foerster. 

 bicolor Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 300. 



Anecphysis Foerster. 

 ruficrus Walsh. Conn. Geol. Nat. Hist. Surv., Bull. 22, 301. 



Exenterus Hartig. 

 consors Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 301. 



Syrphoctonus Foerster. 

 agilis Cresson. Bassus. Conn. Geol. Nat. Hist. Surv., Bull. 

 22, 302. 



Diplazon (Nees) Gravenhorst. 

 Bassus Authors. 



antennatus Davis. (Zootrephes). Conn. Geol. Nat. Hist. 



Surv.. Bull. 22, 304. 

 bicapillaris Walsh. (Homotropus). Ibid., Bull. 22, 304. 

 concinnus Cresson. Ibid., Bull. 22, 303. 

 frontalis Cresson. Ibid., Bull. 22, 302. 

 laetatorius Fabricius. Ibid., Bull. 22, 303. 

 sycophanta Walsh. Ibid., Bull. 22, 303. 



Brephoctonus (Foerster) Ashmead. 

 hygrotrecha Viereck. Conn. Geol. Nat. Hist. Surv., Bull. 22, 

 305- 



