396 



PSYCHE. 



[September, 1Q02 



LIFE HISTORIES OF NORTH AMERICAN GEOM ETRI DAB. — XXXV. 



BY HARRISON G. DYAR, WASHINGTON, D. C. 



Corypliista badiaria Ily. Edw. 



Egg. Elliptical, roundecl, two sides flat- 

 tened, wedge shaped, the large end truncate 

 for a small space, all without sharp angles ; 

 coarsely hexagonal ly reticulate, the lines 

 raised, broad, rounded, the spaces between 

 forming flat hexagons, rather regular ; all 

 pale yellow ; size .9 X -6 X -5 mm. 



Stage I. Head round, erect, scarcely 

 bilobed ; luteous, shining ; ocelli black, mouth 

 brown; width about. 4 mm. Body cylindri- 

 cal, normal, short, the segments not elongate 

 but the ends somewhat contracted; all trans- 

 lucent yellowish, the food showing faintly 

 green ; not shining. No shields differenti- 

 ated ; tubercles and setae minute, black. Seg- 

 ments slightly folded, whitish ; feet pale, 

 normal; no markings. Later very faint, fine, 

 whitish subdorsal and lateral lines, joints 10 

 to 13 subdorsally shaded with dull reddish. 



Stage II. Head round, thick, erect, 

 slightly bilobed, pale pinkish flesh color; 

 width .7 mm. Body moderate, rather thick, 

 incisures a little depressed, uniform, smooth. 

 Tubercles slightly elevated, a little blackish ; 

 setae rather long, dark. Olivaceous green, 

 a fine addorsal whitish line ; a broad, sub- 

 dorso-lateral, olive gray shade-band ; sub- 

 stigmatal band broad, whitish ; venter dusky 

 shaded. B'eet pale sordid green, normal. 



Stage III. Head rounded, bilobed, free, 

 pale red, yelloAvish in the sutures ; width 1.2 

 mm. Body cylindrical, robust, uniform, 

 smooth ; black, shields a shade redder ; dorsal 

 space diluted luteous. Addorsal and subdor- 

 sal broken, narrow obscure white lines ; broad 

 stigmatal white line, from tubercle iii to v, 

 geminate, luteous filled, yellow about the 

 spiracle ; a white line to anal foot. Venter 

 somewhat diluted. Tubercles small, round, 

 black ; feet black, abdominal claspers reddish. 

 Setae dark, fine, obscure. Not shining. 



Stage IV. Head shining orange ; width 

 2 mm. Bod^' robust, the ends somewhat 

 smaller. Purplish black, dorsal lines broken, 

 nearly absent ; stigmatal white band enlarged 

 on the segments a little, yellow at the spira- 

 cles, luteous dotted centrally. Feet, except 

 the shield of joint 13, reddish. Tubercles 

 small, black ; a white line on the foot joint 13. 



Pupation in the ground, or between leaves. 



Food plant. The larvae were found only 

 on Berbcris refens and would eat no other 

 plant. Several brooded; imago emerged June 

 iSth. Eggs from captured $ ? June 20 and 

 July 7th. Larvae from various places in the 

 foothills of the Rocky Mountains; back of 

 Golden and Boulder, Colorado and in the 

 Platte Canyon. 



A. SMITH & SONS, 146-148 WILLIAM ST., New York. 



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Boards, Folding Nets, Locality and 

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