Abrupt Geographical Transition between Aposematic Color Forms in the Spittlebug Prosapia ignipectus (Fitch) (Hemiptera: Cercopidae)

Figure 5

Prosapia ignipectus, lined form: (a) sitting characteristically exposed while feeding on stems of Little Bluestem and (b) mating among stems of Little Bluestem, female above and male below.

(a)

(b)