Order ASCAROIDEA
Family ASCARIDAE
* Ascaris lumbricoides Linnaeus, 1758
Natural vector.—Periplaneta americana, South Africa (Porter, 1930): The eggs may have been those of A. suum Goeze, 1782.
Experimental vectors.—Periplaneta americana, Gold Coast Colony (Macfie, 1922); India (Chandler, 1926).
Periplaneta americana, Periplaneta australasiae, Neostylopyga rhombifolia, Formosa (Morischita and Tsuchimochi, 1926).
* Ascaris sp.
Natural vector.—Blatta orientalis, Italian Somaliland (Mariani and Besta, 1936).
Experimental vector.—Periplaneta americana, Uruguay (Pérez Fontana, 1955): Eggs recovered from the insects' feces.
Order STRONGYLOIDEA