92 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BulL 



°T. Simula ta MacGillivray. 

 °T. secunda MacGillivray. 



*T. lobata (Norton). Howard, Insect Book, PI. xiii. Fig. 4.. 

 Farmington (E. N.) ; Westville, 11 June, 1905 (W. E. B.). 

 T. angulifera (Norton). Connecticut (E. N.). 

 °T. frigida MacGillivray. 

 °T. lineata Provancher. 

 °T. rufopediba Norton. 

 °T. pallicola MacGillivray. 

 °T. hyalina MacGillivray. 

 °T. slossoni MacGillivray. 

 °T. junghannsii MacGallivray. 

 °T. nova MacGillivray. 

 °T. varians Norton. 

 °T. mutans Norton. 

 °T. montana Provancher. 



*T. flavomarginis (Norton). Farmington (E. N.). 

 °T. cinctitibiis Norton. Howard, Insect Book, PI. xiii, Fig. 25. 

 °T. decorata Provancher. 



Labidia Provancher. 

 °L. originalis (Norton). Allantus originalis Norton. 

 Body black, with the clypeus, labrum, mandibles at base, col- 

 lar broadly, scutelhim, postscutellum, a spot on the outer side 

 of posterior coxae, anterior and middle femora beneath, tibiae 

 except a ring on the apex of the posterior pair, tarsi, basal 

 plates, apical half of each abdominal segment, interrupted at 

 middle on the first and second segments, yellow ; body finely, 

 densely punctate ; veins and stigma rufous. Length 10 mm. 



Macrophya Dahlbom. 



Key to Species. 



I. Antennae wholly black 2 



Antennae not wholly black 27 



