THE CANADIAN ENTOMOLOGIST. 119 



TWO NEW SPECIES OF PAPIRIUS. 



BY JUSTUS WATSON FOLSOM, CAMBRIDGE, MASS. 



Papirius vittatus, n. sp. 



Younger specimens dark purple above with pearly markings, lavender 

 or lilac beneath ; older ones maroon to almost black above, sides 

 mottled with several shades of purple and brown. Head free, purple, 

 with a l;)road, white transverse band across the front; oral region whitish ; 

 vertex with a distinct, white, sagittate mark from antennae to prothorax ; 

 a black ocellus-like speck on the middle of the vertex ; a itw short 

 bristles upon vertex and front ; eyes dark, close behind antennae upon a 

 black patch narrowly surrounded by purple. Antennpe longer than the 

 body, except in largest individuals, segments variable in relative length, 

 but approximately in the ratio of 1:6:7:1.5 or 1:7:9:2; basal segments 

 stout, as long as broad, brownish, with short, white bristles ; second 

 brownish at base, purple at middle, pearly apically, hairy distally; third 

 purple, hairy, with obscure, whorled subsegments on apical half, broaden- 

 ing towards apex, penultimate subsegment swollen on one side ; terminal 

 segment purple, lanceolate in outline with five to seven distinct, whorled 

 subsegments. Body ovate dorsally with a re-entering angle. Dorsum 

 dark purple to blackish, with a pattern in pearly white, essentially as 

 follows : On anterior half of dorsum a median longitudinal purple streak 

 between two pearly streaks with dentate margins ; behind these a 

 squarish purple spot bounded by pearly and bisected by a short, median 

 longitudinal, pearly streak ; on either side, two short, irregular, pearly 

 lobes extending obliquely forwards; next behind on the median line are 

 one to three roundish purple spots broadly surrounded by pearly white ; 

 on posterior of abdomen a long, oblique pearly bar directed forwards 

 from either side of the median line. Largest abdominal segment with a 

 small, pale tubercle on either side of the middle. Dorsum naked 

 anteriorly, with short white bristles posteriorly. Anal tubercle with 

 bristles four times as long, and with a median longitudinal purple bar. 

 Sides purple to blackish, with conspicuous hazel, chestnut and cinnamon 

 rnottlings. Thorax with a broad, lateral, longitudinal pearly band, some- 

 times replaced by one to four bright white spots. Sides of abdomen 

 with two to five large, conspicuous, pure white spots, widely separated. 

 Ventral surface lilac or lavender. Ventral filaments extensible to the 

 length of the antennje. Legs long, purple and yellow ; tibia with broad 

 alternate bands of dark violet and wax-yellow, white bristly. Claws 



