Published online by Cambridge University Press: 31 May 2012
Head transverse, as broad as thorax; eyes prominent, not hairy; occipital carina absent; antennae far apart near top of eyes; upper face (“frons”) very short, nearly horizontal; lower face flattened and broad (Figs. 3, 4); antennae 21- to 23-jointed.
Notaulices present, extending almost to centre of mesonotum but remote from one another; prepectal carina absent; mesopleural furrow long and horizontal.
1 Contribution No. 3505, Entomology Division, Science Service, Department of Agriculture, Ottawa, Canada.