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FIG. 38.-Stigmal plate of female D. albipictus seu variegatus. Enlarged. Original. B, A. I. 3172.
FIG. 39.-Stigmal plate of nymph D. albipictus seu variegatus. Enlarged. Original. B. A. I. 3172.
FIG. 40.-Stigmal plate of male D. nitens from Texas. Enlarged. Original. U. S. P. II.
& M. II. S. 9908.