R. Charpentier et J. Weibull, SECONDARY SEXUAL DIFFERENCES OF POLLEN BEETLE, MELIGETHES-AENEUS FABR(COL, NITIDULIDAE) PUPAE, Journal of applied entomology, 118(1), 1994, pp. 100-102
Distinct secondary sexual characters of Meligethes aeneus Fabr. pupae
are described for the first time. Such character are indistinct or lac
king in adult beetles. This reliable method is non-destructive and all
ows early sex determination of live M. aeneus.