Rhantus pacificus Boisduval

Experimental prey.—Cockroaches, disabled, Hawaii (Williams, 1936): This beetle, which is common in mountain streams, located wounded cockroaches in an aquarium by sense of smell or taste rather than sight.

Family LAMPYRIDAE

Undetermined larva

Experimental prey.Parcoblatta virginica, adult female (pl. [33], C), U.S.A. (Roth and Willis, unpublished data, 1953).

Family RIPIPHORIDAE[5]

Neonephrites partiniger Riek

Natural host.—Cockroach (undescribed genus belonging to the Pseudomopinae), Australia Capital Territory (Riek, 1955).

Neorhipidius neoxenus Riek

Natural host.Robshelfordia longiuscula or Robshelfordia circumducta, Australia Capital Territory (Riek, 1955).