44 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



7. Antennae with twenty segments; color yellow-brown; antennae 



blackish; metathorax, tergum, and a stripe down each 

 side of the venter, black; edges of pronotum, pleurje, outer 



edges of abdomen, and knees, waxen white lecontei 



Antennae with seventeen segments; color ferruginous; antennae 

 blackish ferruginous; sutures of face, mesothorax, abdo- 

 men, most of metathorax, and part of third and fourth seg- 

 ments of tergum, blackish; pleurae dark brown akhursti 



8. Collar and edge of tegulae white; antennae with eighteen seg- 



ments; ventral part of body and legs yellow-brown; basal 



half of wings clouded abbotti 



Collar and tegulae black 9 



9. Antennae with fifteen segments; abdomen beneath and at 



base and basal half of legs, yellow-brown; legs below knees 



whitish pinus-rigida 



Antennae with more than fifteen segments 10 



10. Antennae with twenty-one segments; head and mesothorax 

 black; tergum dark piceous; pleurae and breast black; 

 venter reddish brown, legs reddish yellow, darkest at 



base abietis 



Antennae with twenty-two or more segments lecontei 



°D. fabricii (Leach). Lophyrus fahricii Leach. Larva feeds 

 on pitch pine. 



°D. abdominalis (Say) Lophyrus abdominalis Say. 



D. pinus-rigida (Norton). Lophryus pinus-rigida Norton. 

 Larva feeds on Pinus rigida, and this is probably the species 

 observed at Tariffville a fev;^ years ago, where many of the small 

 pitch pines were nearly defoliated (W. E. B.). 



D. abbotti (Leach). Lophyrus abbotti Leach. Howard, 

 Insect Book, PI. xii, Fig. 3. Larva feeds on white pine and 

 pitch pine. Middletown, 1911 ; Litchfield, 1916. 



D. abietis (Harris). Lophryus abietis Harris. Larva feeds 

 on black spruce, fir, pitch pine. Connecticut (E. N.). 



D. lecontei (Fitch). Lophryus lecontei Fitch. Howard, In- 

 sect Book, PL xiv, Fig. 5. Larva feeds on white pine, pitch pine, 

 Pinus banksiana, Scotch pine, and Austrian pine. Middletown 

 (D. MacDonald) ; Hampton (A. B. Roberts) ; Stamford, 8 May, 

 1911 (R. T. Morris). 



°D. akhursti (Norton). Lophyrus akhursti Norton. 



