1985] 
Ashe — Meronera venustula 
197 
Discal setae of the pronotum are reduced to a medial and a lateral 
seta on each side. These are interpreted to represent Da2 and Dc2 
respectively. Identity of the very small pronotal seta postero-medial 
to campaniform C3 is problematic (Figure 10). It is here interpreted 
to represent lateral seta L5 which is displaced medially; however, it 
could be homologous to a discal seta and L5 may be absent. The 
first medio-lateral seta of the mesonotum is interpreted to represent 
LI even though it is more mesal than the usual position of LI 
(Figure 1 1). Because of the relatively discal position of this seta, an 
alternative possibility is that it is actually Dd2. 
Interpretation of the posterior row of setae of abdominal terga 
II-VII is complicated by presence of a large seta between P2 and P3 
Figs. 17-18. Meronera venustula, adult mouthparts. 17, maxilla, dorsal aspect; 
18, right mandible, dorsal aspect. 
