270 Annals Entomological Society of America [Vol.11, 



The generic diagnosis given above is based upon a speci- 

 men of the type species purchased from Dr. O. Staudinger and 

 A. Bang-Haas. This diagnosis is entirely different from that 

 given by Kono\\'. He separated the genera Scolioneura and 

 Eniodccta on the position of the median ocellus, in the first genus 

 this ocellus is said to be below a line drawn between the dorsal 

 margins of the eyes and above in the later. Konow says of 

 Entodecta: " Oeberkopf hoch iiber die Augentangenten empor- 

 steigend ; das unter Nebenaugen liegt noch liber dieser Tangente 

 and of Scolioneura: " lintere Ocelle unter den Augentangente." 

 An examination of Entodecta piimila and Entodecta gei, the latter 

 specimen received from Konow, shows this ocellus located dis- 

 tinctly below and not above the "Augentangente;" in fact it 

 occupies the same position in all the species that I have examined 

 and the character is therefore entirely w^orthless for the differen- 

 tiation of these genera. The head is slightly more elevated behind 

 the median ocellus in Entodecta pumila but not as wide as in 

 Scolioneura hetideti. 



The specimen of Entodecta alaskana Kincaid was not avail- 

 able for examination when the above description was prepared. 

 Entodecta hnmilis Knw. is unknown to me and a copy of his des- 

 cription is given below. These species may not belong to Ento- 

 decta as here defined. 



Species of Entodecta. 



a. Abdomen black; the tegulae and the legs beyond the middle of the femora 



brownish-white alaskana Kcd. 



aa. Abdomen fuscous ; the tegulae black ; the legs yellowish white . . humilis Knw. 



Entodecta alaskana Kcd. 



Body black with the tegulae, the costa, the stigma, the wing veins, 

 and the legs below the middle of the femora, brownish-white; the an- 

 tennal furrows continuing as a shallow furrow from the cylpeal fovea 

 to the occiput, expanding above the bases of the antennae into a pit 

 twice as long as broad, ending in a circular pit behind the lateral ocelli, 

 extending in front of the lateral ocelli as a deep furrow about the width 

 of an ocellus; the postocullar area short, the interocellar furrow shal- 

 low; the ocellar basin a V-shaped depressed area around the median 

 ocellus, joining the interocellar furrow behind; the cheeks convex, not 

 at all declivous; the malar space usually broad ; the supraclypeal area 

 prominent, strongly arched; the median fovea inconspicuous, elongate, 

 about one-fourth the width of the space between the antennae; the 

 antennae with the second segment elongated, about one-half the length 

 of the first, the third segment as long as the fourth and fifth together; 



