INSECTS AFFECTING VEGETABLE CROPS IN PORTO RICO. 



11 



Onion : 



Thrips tabaci Lind. 



Laphygma frugiperda S. & A. 

 Pepper: 



Aleyrodes sp. 



Diaspis pentagona Targ. 

 Radish: 



Pieris monuste L. 

 Squash : 



Diabrotica bivittata Fab. 



Diabrotica innuba Fab. 



Diaphania hyalinata L. 

 Sweet potato: 



Spartocera batatas Fab. 



Chsetocnema apricaria Suffr. 



Pilocrocis tripunctata Fab. 



Cryptorhynchus batatx Waterh. 



Sweet potato — Continued . 



Other insects, known as sweet- 

 potato pests in the United States, 

 are also present, namely — 

 Coptocycla signifcra Herbst. 

 Cylas formicarius Oliv. 

 Phlegethontius convolvuli L. 

 Tomato: 



Scapteriscus didactylus Latr. 

 Phlegethontius sexta Joh. 

 Aleyrodes sp. 

 Turnip: 



Scapteriscus didactylus Latr. 

 Pieris monuste L. 

 Plutella maculipennis Curtis. 

 Yautia: 



Corythuca gossypii Fab. 



ADDITIONAL COPIES 



OF THIS PUBLICATION MAY BE PROCURED FROM 



THE SUPERINTENDENT OF DOCUMENTS 



GOVERNMENT PRINTING OFFICE 



WASHINGTON, D. C. 



AT 



5 CENTS PER COPY 



WASHINGTON '. GOVERNMENT PRINTING OFFICE \ 1915 



