March 1897. 
Dyar : Larvae of Saw-Flies. 
21 
vancher’s description it is undoubtedly albidopictus The larvae of 
these two species of Taxonus cannot be certainly distinguished. 
Harpiphorus tarsatus Say. 
Eggs -—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 /.—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 1.0 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 setae. 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 
