Diatraea lineolata

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male genitalia of Diatraea lineolata (left) and Diatraea saccharalis (right), arrows indicate differences in the structures of the tegmen (a) and juxta (b) (click on image to enlarge it)
Author(s): Andrea L. Joyce, Miguel Sermeno Chicas, Leopoldo Serrano Cervantes, Miguel Paniagua, Sonja J. Scheffer and M. Alma Solis
Source: Ecology and Evolution, Vol. 6 (23), p. 8637

Diatraea lineolata (Walker, 1856) - (corn stalk borer)

This stem borer is found in Central America where it is an important pest of corn. It may also attack sorghum. The larvae and moths are very similar to the sugarcane stalk borer, Diatraea saccharalis, which is also found in Central America. Male moths can be easily distinguished by the genitalia structures, see illustration at right. Specifically, D. lineolata, lacks lobes on the tegumen and the valvae and juxta show also clear differences.