306 



JOURNAL OF AGRTCrLTTTRE OF P. R. 



page 307) ; Nacoleia indivala (see Beans, page 278) ; Xylomeges 

 sunia (see Chard, page 287). 



PEPPERS. 



Aphis, RJiopalosiphum persica' (see Eggplant, page 296) ; Am- 

 phiacusta canhhea or sick cricket, (see General Feeders, page 270) : 

 Hemichionaspis minor (see Eggplant, page 301) ; lapas (see Gen- 

 neral Feeders, page 274); Lapliygma . frugiperdu (see Corn, page 

 288). 



RADISH. 



The radish is attacked l)y the following pests: Poatia moniisle 



(see Cabbage, page 281) ; 

 leaf miner, Agroniyza sp. ; 

 flea-beetles (see General 

 Feeders, page 269). 



SQUASH. 

 SMALL BLACK StJUASH BUG 



( PyoiixJrrrs {ticKrvvs) . 



This peculiar-looking 

 black bug feeds in all its 

 stages on the squash and 

 melon vines. It sucks the 

 juice from tlie leaves, giv- 

 ing them a speckled ap- 

 pearance at first, but later 

 causing 1hem to dry U)) 

 and die. 



Fig. 60.— Small Black Squash Bug 

 {Pjicnodercft incurvns). Adnlt. 



The small, i lausliiccnt. H.!sk-slia|i(Ml ('<;-^s arc insertfd in the tissiK*. 

 of the stems and large veins of llic leaves, and liatcli in a few days 

 into small, wingless, greenisli-wiiite nymphs. These wingless nymphs 

 feed on the undersides of the leaves foi- alioul Iwo weeks, growing 

 in size and moulting five limes Ix'foi'e appeni'ing as adults. They 

 retain their greenish-white coloi- until tluw ]»ec()me adults, then 

 ehange to a deej) black. 



They nuiy he controlled by spraying the undersides of the leaves 

 with a nicotine-sulphate aiul soap solution as I'econnnended on page 



