Numbers
2 spp. in the genus, both in our area
(1)
Dictyonissus griphus (Uhler, 1876): CA, TX; Mexico (Nuevo León)
Dictyonissus nigropilosus (Doering, 1938): TX; Mexico (Tamaulipas)
Identification
Dictyonissus can be recognized among the Elicini by
the forewings covering the abdomen (vs. Danepteryx or Osbornia);
wing elongate, costal margin nearly straight, forewings clear, hispid (and green at least for D. griphus);
vertex obtusely produced for distance nearly equal to width of eye;
hind tibiae with 3 lateral spines.
(2)Print References
Wilson, S.W., C. Mitter, R.F. Denno, and M.R. Wilson. 1994. Evolutionary patterns of host plant use by delphacid planthoppers and their relatives. Pp. 7-45 & Appendix. In: R.F. Denno and T.J. Perfect. (eds.). Planthoppers: Their Ecology and Management. Chapman and Hall, New York.