Plate XI 

 MISCELLANEOUS EUPLECTINI 



Fig. 1. Trimiomelha dubia (LeConte). Male head and j^ronotiim, dorsal 

 aspect. 400 diameters. Note minute vertexal foveae, coarse punc- 

 tation and vertexal tubercle. 



Fig. 2. Dalmosella tenuis Casey. Male head and pronotum, dorsal aspect. 

 400 diameters. Note large pubescent vertexal foveae, associated 

 sulcus and the distinctive character of the transverse basal pronotal 

 sulcus. 



Fig. 3. Bibloplectus ruficeps (LeConte). Head, dorsal aspect. 700 diameters. 



Fig. 4. Bibloplectus ruficeps (LeConte). Head, ventral aspect. 700 diameters. 

 Note spiniform setoid processes. 



Fig. 5. Melba thoracica (Brendel) and Melba sulcatula Casey. Dorsal aspect 

 of head, 400 diameters. 25% KOH for 24 hours. Note relation of 

 vertexal foveae to supratentoria, and the metatentoria of the cervical 

 region. 



Fig. 6. Melba thoracica (Brendel). Ventral aspect of head, 400 diameters. 

 25% KOH for 24 hours. Note capitulate setae. 



Fig. 7. Melba thoracica (Brendel). Head and pronotum, dorsal aspect, 100 

 diameters. Note asperate punctation. Male mesothoracic femur and 

 tibia, 100 diameters. Male mesothoracic tibia, distal end, 700 diam- 

 eters to show padules. 



Fig. 8. Melba sulcatula (Casey). Head and pronotum, dorsal aspect, 100 diam- 

 eters. Note normal punctulation. Male mesothoracic femur and tibia, 

 100 diameters. Male mesothoracic tibia, distal end, 700 diameters 

 to show padules. 



