1978] Carpenter & Richardson — Proehoroptera calopteryx 223 
Figure 2. Proehoroptera calopteryx. Drawing of fore and hind wings, as known; 
based mainly on specimen HTP 12523, with some details added from the holotype 
and specimen JJF 1 LI 1-007. SC, subcosta; Rl, radius; RS, radial sector; MA, an- 
terior media; MP, posterior media; CUA, anterior cubitus; CUP, posterior cubitus; 
1A, first anal vein; +, convex vein; — , concave vein. 
preserved), 18 inm; width, 6 mm; hind wing, length (as preserved), 
18 mm; width, 6 mm. Body length (from front of inesothorax to end 
of abdomen), 25 mm; pterothorax, length, 6.3 mm; width, 4.8 mm; 
abdomen, length 19 mm; width, 4.8 mm; prothorax, length, 2.5 mm; 
width at posterior edge, 3 mm; head absent. 
2. No. HTP 12523, Helen and Ted Piecko collection. This is the 
best specimen known. The obverse half represents a ventral view of 
the insect and the reverse (figure 1), a dorsal view. 5 The wings, 
5 In our terminology, the obverse is the counterpart that shows the topography of 
the veins as seen on the dorsal surface of the living insect (i.e., SC, concave; Rl, 
convex, etc.); the reverse shows the veins in the opposite topography. Generally 
speaking, the reverse shows the dorsal surface of the insect, and the obverse shows 
the ventral surface. 
