BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS I5I 



Platyzosteria bifida, Nebraska (Hebard, 1917) : Adventive. 



Plectoptera dorsalis, Puerto Rico (Rehn and Hebard, 1927) : Cap- 

 tured by beating banana plants. 



Pycnoscelus surinamensis, Canada (Walker, 1912; Hebard, 1917) : 

 Adventive: Marquesas Islands, Nukubiva (Hebard, 1933a): In 

 banana leaves. England (Goodliffe, 1958) : Adventive, doing con- 

 siderable damage to banana plants growing in a conservatory. 



Sihyllohlatta panesthoides, Massachusetts (Rehn, 1937a) : Adven- 

 tive, from Jamaica. 



Family ZINGIBERACEAE 



Renealmia sp. 



Associate. — Cariblatta orestera, Jamaica (Rehn and Hebard, 1927) : 

 The male was taken in a head of wild ginger. 



Family CANNACEAE 



Canna sp. 



Associate. — Periplaneta americana, Hawaii (Zimmerman, 1948). 



Family ORCHIDACEAE 



Cattleya sp. 



Associates. — Periplaneta americana, \].S. A. (Rau, 1940a). 

 Periplaneta australasiae, England (Lucas, 1918). 



Vanda sp. 



Associates. — Periplaneta americana, \].S.K. (Rau, 1940a). 

 Periplaneta australasiae, England (Lucas, 1918). 



Undetermined orchids 



Associates. — Blaherus discoidalis, Blatta oricntalis, Periplaneta 

 americana, Hawaii (Swezey, 1945)- 



Blatta orientalis, americana, cincrea, madcrac, unidentified cock- 

 roaches, England, in bulb from Ecuador (Westwood, 1876). 



Graptohlatta notulata, Hawaii (Swezey, 1945) : On orchid from 

 India. 



Homalopteryx laminata and Hormetica apolinari, New York (Heb- 

 ard, 1912c) : In orchids shipped from Colombia, 



Pelmatosilpha coriacea, Puerto Rico (Wolcott, 1936). 



Periplaneta americana, Germany (Tashenberg, 1884). 



Periplaneta australasiae, England (Wainwright, 1898). Pennsyl- 

 vania (Skinner, 1905). Massachusetts (Morse, 1920). 



