March 1897. DyAR : L.ARVJE OF SaW-FlIES. 21 



vancher's description it is undoubtedly albidopictusy The larvae of 

 these two species of Taxonus cannot be certainly distinguished. 



Harpiphorus tarsatus Say. 



Esgs. — Laid under the lower epidermis, sawed through from 

 above ; close to the midrib in a long line, the cuts united ; one edge of 

 the swelling is on the midrib or large vein, the other parallel to it but 

 wavy, composed of the numerous saw cuts ; width i mm. ; length 4 to 

 30 mm., according to the number of eggs laid; punctures .8 mm. apart. 



Stage I. — Nearly colorless, head with a smoky tint especially in a 

 shade upward from the black eye ; width .5 mm. 



Stage II. — -Head brownish, a shade upward from the black eye ; 

 width .6 mm. Body all subtranslucent white, no marks ; food green in 

 thorax, more yellowish posteriorly; segments finely annulate. Body 

 shape much as in the mature form ; length 4.5 mm. 



Stage III. — Head dark blackish brown, eye black; width .8 mm. 

 Body without marks. 



Stage IV. — Head brownish, a darker shade on the outer sides of the 

 lobes; width i.o mm. Body whitish, the food green, anal plate 

 brownish, feet colorless. 



Stage V. — Head shining black ; width 1.2 mm. Joint 2 anteriorly, 

 subventral region and feet pale yellow ; dorsum sordid pale olivaceous 

 without marks, slightly shining ; annulations obscure ; anal plate dark. 

 Length 12 mm. 



Stage VI. — Head shining black; width 1.6 mm. Joint 2 and 

 subventral region pale yellow ; dorsum with a blackish rectangle on each 

 segment on a whitish ground, the rest of the dorsum colored nearly like 

 the sides. Later the coloration is more like the next stage. 



Stage VII. — Like the next stage, but the marks a little fainter ; 

 with of head 2 mm. 



Stage VIII. — Head small in proportion, lower than joint 2, all black, 

 slightly shining, width 2.5 mm. Joint 2 anteriorly, subventral region, 

 venter and feet orange yellow; dorsum to spiracles olivaceous black, 

 annulet 2 in the middle and whole of annulet 4 to the subventral color 

 pale greenish gray, both interrupted by the olivaceous dorsal vessel. 

 Segments 6 -annulate, the second and fourth with minute setge. Anal 

 plate black, darker than the dorsal marks. Thoracic feet spreading, 

 pale yellow, not very large ; abdominal feet all well developed. Body 

 large at joint 2, gradually tapering posteriorly, rapidly at the end of 

 joint 13. Length about 25 mm., width 4 mm. The pale dorsal bands 



