BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 'J'] 



Blattella vaga 



U.S.A. — Although this is mostly an outdoor species, during dry- 

 seasons it may temporarily enter houses in great numbers, occasionally 

 breeding indoors in Arizona (Flock, 1941a). Two adults were col- 

 lected indoors in Texas (Riherd, 1953). 



Chromatonotus notatus 

 Trinidad. — A male was found indoors (Princis and Kevan, 1955). 



Cutilia soror 



Hawaii. — Almost as common in houses as Neostylopyga rhombifolia 

 (Hebard, 1922). 



Ectobius duskei 



U.S.S.R. — Frequently occurs in living apartments in farming locali- 

 ties as an accidental inhabitant (Bei-Bienko, 1950). 



Ectobius pallidus 



Massachusetts. — A summertime pest in houses along coast (Gurney, 

 1953; E. R. Willis, personal observation). Generally an outdoor 

 species. 



Epilampra abdomen-nigrum 



Trinidad. — Male, indoors (Princis and Kevan, 1955). An outdoor 

 species generally. 



Ergaula capensis 

 Cameroon. — A male taken in a house (Princis, 1955). 



Eublaberus posticus 

 Trinidad. — Indoors, feeding on bat feces (Princis and Kevan, 

 1955). 



Eurycotis floridana 



Florida. — Occasionally found in homes (Creighton, 1954; Roth 

 and WiUis, 1954a). 



Euthyrrhapha pacifica 



Hawaii. — Found outdoors and indoors where it breeds in neglected 

 cupboards and in rubbish (Fullaway and Krauss, 1945). 



Holocompsa azteca 

 Mexico. — Household pest (Ball et al., 1942). 



