﻿320 PROCEEDINGS OF THE NATIONAL MTJSEUM vol. 102 



naeiis thus established his Cynips glechmnae. 'Whether plenaiy 

 power should be exercised in a case where the obvious intent of an 

 author is so evident and his procedure so little open to question is a 

 matter for discussion. 



DIPLOLEPIS LENS, new species 



Female. — Head and thorax black, abdomen and legs red. Vertex 

 coriaceous. Antennae 14-segmented. Mesoscutum almost shining but 

 not smooth, slightly rugose behind; parapsidal grooves percurrent 

 with a median groove posteriorly. Scutellum rugose, longer than 

 broad. Mesopleuron with a smooth and shining spot above and a 

 larger one below. Wing pubescent and ciliate, clouded on radial and 

 part of cubital cells as in rosae. Abdomen not so long as head plus 

 thorax. Length 1.9-2.6 mm. Average of 23 specimens 2.24 mm. 

 Smaller than D. hicolor (Harris), whose mesoscutum is more coarsely 

 rugose behind, without a median groove. 



Types. — U.S.N.M. No. 60107: Type and 4 paratypes. Paratypes 

 also in A.M.N.H., C.M.N.H., A.N.S.P., C.A.S., and M.C.Z. 



Host. — Rosa nutkana. 



Gall. — A lentil-shaped thickening, up to 3.2 mm. in diameter by 

 1.7 mm. thick, in the parenchyma of the leaf in the fall. Single or 

 several on a leaf. Similar to the gall of D. rosaefolU Cockerell in 

 the eastern United States. 



Habitat. — The types are from galls collected at Corvallis, Oreg., on 

 October 16, 1939, along a road northwest of the university campus. 

 Adults emerged June 7-14, 1940. Similar galls were seen at Holland, 

 Siskiyou, and Klamath Falls, Oreg. ; Chelan and Waitsburg, Wash., 

 and Walnut Creek, Calif. 



DIPLOLEPIS TERRIGENA, new species 



Female. — Head and thorax variegated, red and black, abdomen and 

 legs red. Antennae 14-segmented, three basal segments slightly red- 

 dish. Mesoscutum shining, smooth, with scattered punctures; parap- 

 sidal grooves broad, rugose, percurrent, ending in a rugose area at 

 pronotum, median groove represented posteriorly by confluent punc- 

 tures and continued forward by a dark median line. Scutellum ru- 

 gose, less coarsely so in center. Wing not clouded, areolet reaching 

 one-fifth way to basal. Propodeum with a smooth median groove. 

 Abdomen nearly as long as head plus thorax, exposed parts of tergites 

 back of II finely coriaceous, tergites IV-VII knife-edged dorsally. 

 Using width of the head as a base the length of mesonotum ratio is 

 1.27; antenna 2.4; wing 3.0; ovipositor 3.3. Length 3.45-5.0 mm. 

 Average of 65 specimens 3.99 mm. 



Male. — Head and thorax black, abdomen red under black, legs be- 

 yond coxae red. Antennae 15-segmented, third bent. Abdomen 



