Panchlora nivea, Colorado, Nebraska, New Jersey, New York (2), Utah (Hebard, 1917): Adventive. Nebraska (Hauke, 1949): Adventive. Washington (Hatch, 1938): Adventive. Massachusetts (Roth and Willis, 1958): Adventive. England (Bunting, 1955): Adventive, from Dominica. U.S.S.R. (Bei-Bienko, 1947): Adventive, from Colombia. Sweden (13), Norway (3), Finland (3) (Princis, 1947): Adventive, mostly females; origin (where known) Jamaica.
Panchlora fraterna(?) and Panchlora peruana(?), Denmark (Henriksen, 1939): Adventive; origin (where known) Danish West Indies and Jamaica; Princis (1947) suggested that both species were probably Panchlora nivea.
Panchlora sagax, Puerto Rico (Wolcott, 1936).
Panchlora virescens, Canada (Walker, 1912): Adventive; this was probably P. nivea as we now know it (Gurney, personal communication, 1959).
Panchlora sp., Canada (Walker, 1912): Adventive. England (Tulloch, 1939): Adventive, from Brazil.
Pelmatosilpha coriacea, Puerto Rico (Wolcott, 1936).
Pelmatosilpha marginalis and Pelmatosilpha purpurascens, England (Bunting, 1955, 1956): Adventive, from Dominica; both species common.
Pelmatosilpha vagabunda, New Zealand (Princis, 1954): Adventive, probably from South America.
Periplaneta americana, Belgium (Schepdael, 1931): Adventive, on bananas from the American Tropics.
Periplaneta americana and Periplaneta brunnea, England (Bunting, 1955, 1956): Adventive, from Dominica.