Texas field cricket
Ovipositor length as a function of pronotal
width in G. texensis (open symbols) and its close relative, G. rubens
(solid symbols). Identification was based on the songs of brothers (triangles) or
the locality (circles). (G. rubens and G. texensis occur without the other
species at the eastern and western extremes of their ranges respectively.)
Modified from Fig. 1, Gray et al. 2001.