880 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



without, the anal pair ])lacki.sh like the body. Tubercles moderate, 

 black; seta? black, line, rather long-. The greenish, thickened part at 

 joints 5-6 is held arched. 



Stage IV. — Head Inlobed, oblique, lobes full above clypeus, sutures 

 depressed; black, dotted in white, leaving- a bar on lobe above; width, 

 1.7 mm. Body slender, tapering- behind, joints 5 and 6 enlarged, an 

 elevation on joint 5 posteriorly and a higher one on joint lt3, bearing 

 the conical tubercle ii; feet of joints 1 and S not used, short. Black, 

 green diluted on joints 5 and 6. Dorsal, subdorsal, lateral stigmatal 

 narrow wavy broken white lines; thoracic feet pale; tubercles small, 

 with seta3 black. 



Stage V. — Head round, bilobed, erect, free, violaceous white, densely 

 reticulate in black, cl3qDeus streaked vertically, antenna? pink; width, 

 2.6 mm. Body slender, looped up at joints 5-6, tubercles ii on joint 

 12 forming a pair of cones; anal feet long, spreading; feet of joints 7 

 and S short and pale. Incisures of joints -1-5 and 5-6 conspicuously 

 green, else bark gray; dorsal line geminate, waved, white; subdorsal 

 narrow white, black edged above; lateral and stigmatal lines narrow, 

 white, similar. Thoracic feet luteous, ringed in black; abdominal 

 ones gray-lined with luteous plates except the anal pair. Tubercles 

 white with black hair dots, i and ii of joint 5 conspicuous; a bright 

 dilution on the side of joint 8. 



Stage VI. — Head round, prominent, higher and wider than joint 2, 

 oblique, clypeal sutures depressed, reddish-brown bark color, freckled 

 with little white spots which are aggregated in large groups leaving 

 a line of the ground color from clypeus over tubercles i and ii; anten- 

 nse white, striped with pink without; labrum whitish with reddish 

 marks; width, 3.7 mm. Body rather slender, joint 5 enlarged dorsally 

 and humped a little, joint 12 more sharply but less enlarged with high 

 cones bearing setse ii; feet of joints 7 and 8 shorter than the others 

 but alike in color. Bark brown, tubercle ii of joint 5 white in a black 

 spot, the cones ii of joint 12 dark red. Dorsal line white, geminate, 

 waved, filled with white reticulations; subdorsal, lateral, substigmatal 

 and subventral lines single, w^aved, dotted on a greenish ground, the 

 greenish showing as a dilution about the hump on joint 5; a large 

 misty white shade over joint 8; sides of joint 12 and all of 13 a little 

 lightened. No shields; tubercles white marked; feet pale, the abdom- 

 inal ones dull red within wnth white tubercles, the anal pair black 

 lined; seta? fine, pale. 



The larvie fed on birch. Thev entered the ground to pupate. 



EPIZEUXIS iEMULA Ruber. 



No specimens; one from Mr. Cockle's collection, August 2, 1902, is 

 nearest this species, but difi'ers in several characters. It is, howev^er, 

 in too poor condition to be made the type of a new name. 



