@article {51, title = {Rice leafhoppers. 1. Nephotettix apicalis Motch. 2. Nephotettix bipunctatus Fabr.}, journal = {Farmers{\textquoteright} Circular. Bureau of Plant Industry, Department of Agriculture and Commerce, Commonwealth of the Philippines. }, volume = {45}, year = {1939}, pages = {205-209}, chapter = {205}, author = {Abalos, Roman} } @article {50, title = {Rice leafhoppers. 1. Nephotettix apicalis Motch. 2. Nephotettix bipunctatus Fabr.}, journal = {Philippine Journal of Agriculture }, volume = {10}, year = {1939}, pages = {205-209}, chapter = {205}, author = {Abalos, Roman} }