LIFE HISTORIES OF A M ERIC A N MO TTTS— I>YAR. 2 S 1 



K<j</. Shape of two-thirds of ;i splicrc, l>!is(^ Hat but rounded under, 

 neatly reuularly reticulate, the reticulations well i-aised, irre«.-ularlY 

 hexagonal, elongated vertically, a little clearer than the egg- itself, 

 about alike all over; no ri))s. Color white like ground glass. Later 

 with irregular brown spots, more or less in a ring. Diameter .<> mm., 

 height A mm. 



Stage I. — ^Head moderate, rounded, hilolx'd, fi'e(>, iicld vertically, 

 pale luteous brownish, ti'anslucent, the rim and the sutures darker, 

 ocelli ]>lack; clypeus two-thirds to vertex; width .?> nmi. Cervical 

 shield g'ra}", darker than tii(> head; anal plate paler, gray ])efore, 

 darker posteriori}". Body ground-glass white, tubercles noi'mal, dis- 

 tinct, large, black. Thoracic feet and leg shields grayish. F(^et of 

 joint 7 very small, those of S larger, only those of 9, 10, and 18 func- 

 tional. Setpe dusky, distinct, moderate, equal. Shape cylindrical, 

 moderate or rather robust, joint 12 ver}' slightly enlarged. 



Stage IT. — Head slightly l)ilolied, erect, vertex notched l)ehind by 

 the membranous triangle; smoky brown, setre pale; width a))out .35 

 mm. Body transparent, shaded and spotted with vinous, dark, 

 almost l)lackish from the food. Tubercles elevated, brownish; setEe 

 short, pale. Slightly flattened ventrally, joint 12 somewhat enlarged 

 dorsally. Cervical shield brownish, widely bisected, obscure. Tho- 

 racic feet dusky, abdominal ones pale, the pair of joint 7 short. 



Stage III. — Head pale Ijrownish, slightly vertically darker streaked, 

 setse pale, ocelli dark; width al)oiit .45 mm. Body as l)efore, more 

 opaque, the vinous shading dull, forming traces of a dorsal line. 

 Body short and rather rol)ust; tubercles l)rownish, moderate, a little 

 elevated; setje pale, glandular tipped. 



Stage IV. — Head as before; width .6 mm. Body thick, slightly 

 flattened ventrally, largest posteriorly, especially at joint 12, incisures 

 distinct, segments subanmdate. Cervical shield ])rownish, ])isected, 

 notched on the posterior lower corner, anal plate obscure. Whitish, 

 washed and obscurely spotted with vinous, especially broadly on the 

 dorsum. Food dark. Tubercles rather large, elevated, circular, 

 brownish; setffi pale, glandular, iv l)ehind the spiracle and larger than 

 it, on joint 11 down in line with tubercle v. Thoracic feet smoky 

 shaded; a1)dominal ones pale, all functional, those of joints 7 and 8 

 only a trace smaller. 



Stage V. — Head rounded, erect, pale brown, mottled and clouded 

 with darker; setffi coarse, short, pale brownish; width .8 mm. Body 

 robust, joint 12 scarcely enlarged, a little flattened ventralh\ Black- 

 ish gray in appearance, Avith a series of lateral (quadrate yellowish 

 patches anteriorly on the central segments. Skin sordid translucent, 

 heavily blackish shaded over the dorsum to spiracles, the yellowish 

 patch(>s below and l)ehind tubercle i on joints f) to 11. Subvcnter 

 mottled with dull brown, avoiding th(> tubercles. Tubercles mod- 



