In this paper we depict the chromosome complements of the
common and widely distributed species, Callosobruchus analis (F.),
C. chinensis (L.), and C. maculatus (F.). We also include C. subinnotatus
(Pic) which co-occurs in West Africa with C. maculatus
and provides a suitable sympatric comparison for C. maculatus. The
results provide both a convenient means of confirming identity
based on morphological criteria and a means of definitively identifying
the eggs. The technique has the considerable advantage over
alternative molecular techniques, such as mitochondrial DNA
polymorphism (Tuda et al., 1995), in that it requires far less
sophisticated and expensive equipment and facilities. The results
also offer independent corroboration of results obtained by either of these means.