BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 85 



COCKROACHES ASSOCIATED WITH SHIPS 



In the following list we include some previously unpublished data 

 on cockroaches that were recovered from ships at the Miami, Fla., 

 Quarantine Station for the periods November 1945 through May 

 1946; May, June, August, and September 1950; and 17 July 1957 

 (Porter, personal communication, 1958). These data were lumped, 

 without breakdown to species, under the entry Orthoptera in Porter 



(1958). 



Certain of the species listed below occur only accidentally on ship- 

 board and will probably never establish breeding colonies on ships or 

 become pests on shipboard or elsewhere; some were merely passen- 

 gers between one land-based colony and another. Others, the truly 

 domiciliary pests, are as likely to be pests on shipboard as they are 

 in land-based structures. 



Blaberus discoidalis 

 Hispaniola. — On board ship (Rehn and Hebard, 1927). 



Blatta orientalis 

 U.S.A.— At Port of New York (Richardson, 1947)- 



Blattella germanica 



At sea? — In ships casks (Chamisso, 1829). 



U.S.A. — Port of New York (WiUiams, 1931 ; Richardson, 1947). 

 San Francisco (Simanton, 1946). At Miami, 7,852 live specimens 

 recovered from ships (Porter, personal communication, 1958). Most 

 numerous species on ships (Rice, 1925). 



Epilampra maya 

 At sea. — One male and one female found dead on S.S. Tenadores 

 (Hebard, 1917). 



Epilampra sp. 

 Florida. — One dead specimen, Miami (Porter, personal communi- 

 cation, 1958). 



Ischnoptera sp. 



Florida. — Five live and one dead specimen, Miami (Porter, per- 

 sonal communication, 1958). 



Latiblattella sp. 

 At sea. — One female alive in hold of S.S. Tenadores (Hebard, 

 1917). 



