PLATE 4 



Fig. 22. Plalydema excavatum (Say), cf, dorsal view of aedeagus. 



Fig. 23. Platydema excavatum (Say), cf, dorsal view of aedeagus with penis extended. 



Fig. 24. Platydema cyanescens Laporte and Brulle, cf , dorsal view of aedeagus. 



Fig. 25. Platydema americanum Laporte and Brulle, cf , dorsal view of aedeagus. 



Fig. 26. Platydema mexicanum Champion, cf , dorsal view of aedeagus. 



Fig. 27. Platydema oregonense LeConte, cf , dorsal view of aedeagus. 



Fig. 28. Platydema neglectum new species, cf , dorsal view of aedeagus. 



Fig. 29. Platydema laevipes Haldeman, cf , dorsal view of aedeagus. 



Fig. 30. Platydema picilabrum Melsheimer, cf , dorsal view of aedeagus. 



Fig. 31. Platydema subcostatum Laporte and Brulle, cf , dorsal view of aedeagus. 



(line =0.5 mm.) 



