383 



demonstrated that this parasite had bred on the larvae of 

 Semnoprepiae. It was found to be a new species and de- 

 scribed later by ^Mr. J. C Bridwell. 



Plutellidae. 



Plutella capparidis n. sp. 



<5 , $ . Head, thorax and abdomen dirty white. Antennae dirty white, 

 with dark fuscous spots on apical half. Palpi brownish fuscous on outer 

 side. Patagia brownish fuscous. Forewings brownish fuscous, with a 

 wide dorsal streak of creamy white, having an oblique extension from 

 near the tornus to the costa a little before apex, this streak irregularly 

 sinuate on the anterior edge, the anterior edge nearly white and the 

 brownish fuscous area of the wing has black scales on the edge bordering 

 this streak, there are also a few scattered black scales on the dorsal mar- 

 gin ; a narrow creamy white spot in basal third of costa, a larger some- 



what triangular patch at middle of costa, each of these having black 

 scales in the edge of the surrounding brownish fuscous area and the 

 larger spot has a small spot of black scales on costa; cilia light fuscous 

 mixed with paler scales, and a black line at the base. Hindwings and 

 cilia very light fuscous. Anterior and middle legs dark fuscous, tibiae 

 and tarsi with white rings ; posterior legs dirty white, tarsi fuscous 

 marked. Expanse of wings, 8-8.5 "im- 



A very distinct species from P. maculipennis and P. albo- 

 venosa. the other species known to occur here. Described from 

 20 specimens reared from larvae found by Mr. J. C. Bridwell 

 feeding on the leaves of Capparis sandwicJiiaun. 



IIab. Ewa Coral Plain, Oahu, June 8, 1919 (Bridwell). 



The light green larvae feed mostly on the surface of the 

 leaves, eating one epidermis and the parenchyma and leaving 

 the other epidermis, which show^s as dead spots in the leaves. 



