THE CHE C K E R S POTS, sma l l - to med i um-sized, lay their eggs i n g ro u ps. The spiny caterpi l l a rs feed togeth e r f o r a w h i l e . T h e free- h a n g i n g p u p a is w h itish with d a r k blotches. 1 1 ) THE BALT I M O R E , though widespread, is local, seld o m found far f r o m i t s w e t meadow food plant, T u rtlehea d . Ma ny variations occ u r . Severa l species a re found i n the West.
S I LVERY C H EC K E R颅 S POT is s i m i l a r to H a rris' on the u p pe r su rface. Found a l o n g roads, la kes, a n d open meadows from Maine to North Carolina a n d west to the Rockies. 13) HARRIS' C H E CKER路 S POT is a l so variable a n d very loca l . I t prefers d a m p fields a n d u nderbrush. Ran ges f r o m Nova Scotia west to Ma n itoba a n d south t o I l l i n ois a n d W. Va . 1 4 ) C H A L C E D O N C H E C K路 E R S POT is q u ite variable i n color a n d patte r n . I t is common along the Pacific i n the lower mountain levels and feeds o n pla nts of the fi g wort fami ly.