BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS I57 



Family RUTACEAE 

 Citrus aurantifolia Swingle 



Associates. — Plectoptera dominicae and Plectoptera perscita, Do- 

 minica (Rehn and Hebard, 1927) : Beaten from moss-covered lime 

 trees. 



Citrus maxima Merr. 



Associates. — Plectoptera dorsalis, Plectoptera infulata, Plectoptera 

 rhahdota, Puerto Rico (Wolcott, 1950). 



Plectoptera rhahdota, Puerto Rico (Rehn and Hebard, 1927). 



Citrus sinensis Osbeck 



Associate. — Diploptera punctata, Hawaii (Bridwell and Swezey, 

 1915; Zimmerman, 1948) : Feeding on oranges on tree. 



Citrus sp. 



Associates. — Diploptera punctata, Hawaii (Zimmerman, 1948). 

 Riatia [ = Lissoblatta] fulgida, Panama, Rio Trinidad (Hebard, 

 1920). 

 Plectoptera porcellana, Puerto Rico (Sein, 1923). 



Zanthoxylum caribaeum Lam. 



Associates. — Plectoptera dorsalis, Plectoptera infulata, Plectoptera 

 rhahdota, Puerto Rico (Wolcott, 1950) : In the dry flower clusters. 



Family BURSERACEAE 



Bursera simaruba (L.) Sarg. 



Associate. — Chorisoneura texensis, Florida (Rehn and Hebard, 

 1912; Hebard, 1917) : Beaten from the lower branches of gumbo 

 limbo. 



Family EUPHORBIACEAE 



Poinsettia sp. 



Associate. — Pycnoscelus surinamensis, Connecticut (Zappe, 1918) : 

 Ate bark of greenhouse plants. 



Family ANACARDIACEAE 



Mangifera indica Linnaeus 



Associate. — Diploptera punctata, Hawaii (Bridwell and Swezey, 

 191 5 ; Zimmerman, 1948) : Feeding on mangoes on the tree. 



