title: Aggregation of larvae ofBlattella germanica (L.) by lactic acid present in excreta.
abstract: Lactic acid has been identified in extracts of filter paper "conditioned" by the German cockroach,Blattella germanica (L.). One-to two-week old larvae aggregated on filter paper wetted with solutions of lactic acid.
authors.affiliation: Department of Entomology, Macdonald College of McGill University, 21,111 Lakeshore Road, H9X 1C0, Ste. Anne de Bellevue, P.Q., Canada.
authors.forename: J E
authors.initials: JE
authors.lastname: McFarlane
authors.forename: I
authors.initials: I
authors.lastname: Alli