ATHYREUS MacLeay, 1819

Athyreus MacLeay 1819: 123

Synopses. Howden and Martínez 1978; Howden 2002 ( A. tribuliformis complex)

Note. Bolboceras bilbergii Gray, 1832 (p. 508), described from Demerara in present-day Guyana, is mentioned by Blackwelder (1944: 219) for Guyana and Brazil as Athyreus bilbergi, and by Howden and Martínez (1978: 53) as Athyreus billbergi [sic]. According to Howden and Martínez (1978), this species is known only from (a) female(s) that could not be associated with males.