802 



JOUKXAh OF AGHTrn/n'RE OF P. R. 



MELONS. 



This crop is attneked by the same insects that attack the cucumber 

 and squash. 



CHINESE MUSTARD. 



POD BORER. 



The larva of this small motli damages the mustard by boring in 

 the seed pods and destroying the seeds. 



It is a small, slender, white caterpillar, striped on the back with 

 five longitudinal Inown liues. Head and prothoracic plate a brown- 

 ish black. 



The moth is a light gray in color: the front wings white, banded 

 profusely with transverse, wavy. l)i'()\viiish-gray bands; hind wings 



U'hite, uiargined 

 with gray. 



Cotifrol: — In- 

 fested seed pods 

 should be collect- 

 ed ;ind destroyed. 



OTHER MUSTARD 



PESTS. 



The mustard 



is attacked liy the 



same insects as 

 UiG. 56. — The Hemispherical Scale (Sai^setia hemi- +].p pohhoo-A Ccpa 

 sphtBrica) on eggplant. (U. S. Bureau of Ento- Lduuage {i,ee 



mology.) page 281). 



OKRA. 



THE GREEN DiABROTiCA (Diahyoiica (/ramlnea) . 



This green beetle is (me of tlie most luunerous of our garden in- 

 sects. It attacks almost all vegetalile crops, and is particularly fond 

 of the flowers. It is very abundant on okra, feeding on the petals, 

 pollen, and pistil of the flowers and seriously interfering with pollina- 

 tion. 



The beetle lays small white eggs in the soil, and the slender white 

 larvae feed on the roots of a luimber of plants. 



Control. — The beetles may be controlled l)y spraying the plank 

 with arsenate of lead, three pounds in fifty gallons of water. 



