864 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



Nearly spherical, the base a little flattened; perfectly smooth, shining 

 yellowish white without sculpture; diameter, 0.6 mm. 



Stage I. — Head slightly bilobed, round, brownish luteous, ocelli 

 black. Bod}' short, robust, joint VI and the central segments slightly 

 enlarged. Cervical shield large, pale luteous. Body whitish, densely 

 clear granular; tubercles minute, brown; sette moderate, pointed, 

 colorless. Feet of joint 7 very slightl}' shorter than the others. Later 

 the food appears green. 



Stage II. — Head pale luteous, vertex narrowly blackish; width 

 0.55 mm. Body thickened at joints 5-6, joint 12 enlarged. Yellowish, 

 green from the food, especially in joints 5 and 6. Dorsal, subdorsal, 

 traces of lateral and broad stigmatal bands faint, white. Cervical 

 shield a little blackish, but not cornified. Tubercles and set^ obscure. 



Stage III. — Head pale luteous with traces of brown vertical lines; 

 a dark shade behind vertex; width, 1.05 mm. Bod}' moderate, joints 

 5-6 and 12 a trace enlarged. Olive green, lines white, straight; dorsal, 

 trace of upper subdorsal, lower subdorsal, lateral, a line between 

 lateral and substigmatal, brown shaded; trace of suprastigmatal; sub- 

 stigmatal broad, yellowish tinted, folded. Feet brownish marked; no 

 shields; tubercles and setse obscure. 



Stage IV. — Head rounded, full, whitish with rather open brown 

 reticulations and vertical bands; width, 1.5 mm. Body moderate, 

 equal, feet nearl}^ equal. Straw-yellow; dorsal, upper and lower sub- 

 dorsal and lateral lines whitish, even, brownish edged, obscure; space 

 below lateral line gray brown, divided b}" a dilution. Substigmatal 

 line white, straw-yellow filled. Feet pale with dusky tubercles; 

 tubercles small, black; setge short, obscure. 



Stage V. — Head round, whitish luteous, reticulations open, faint 

 with faint vertical bands, shining; width, 2.3 mm. Body equal; 

 straw-j^ellow; dorsal, upper and lower subdorsal and lateral lines 

 straight, whitish, distinct, edged b}^ light brown; three lines alter- 

 nating with them narrow and waved; lateral space dark brown, filled 

 with a narrow central pale line; a white line at the top of the black 

 spiracles; substigmatal band broadly straw-yellow filled, its lower 

 edge also white; sub venter dull}' marbled. Tubercles small black. 

 Feet dark shaded; set^ minute; no shields. 



Stage VI. — Head large, rounded, shining pale luteous with smoky- 

 brown reticulations and vertical bands; width, 8.2 nmi. Body mod- 

 erate, equal, no shields, uniformly colored. Light straw yellow; dor- 

 sal space blackish reticular, defining a white dorsal line and addorsal 

 dilution; a black, distinct, even subdorsal band, lightened centrally by 

 a double straw-brown line; suprastigmatal space heavily and distinctly 

 black reticulate on a whitish ground, forming a black band like the 

 subdorsal one, diluted centrally. Substigmatal band white edged, 

 straw-brown filled. Feet nearly white, those of joints 7 to 10, with 



