Dissomphalus ulceratus, Evans, 1969

Azevedo, C. O., 2003, Synopsis of the Neotropical Dissomphalus (Hymenoptera, Bethylidae), Zootaxa 338 (1), pp. 1-74 : 58

ulceratus species­group

Diagnosis. — Male. Metasomal tergite II with median depression with pair of tufts, basal portion of the dorsal margin of the paramere much developed, digitus wide medially, cuspis elongated, ventral ramus with inner margin sinuous basally, wide and narrowing apically.

Comments. — This group is composed by D. concavatus Azevedo, 1999 , D. ulceratus Evans 1969 , D. rectilineus Azevedo, 1999 and D. dentiformis Azevedo, 1999 , which is restricted to the central­eastern region of South America.