title: Environmental control of seasonal variation in the butterfly Colias eurytheme: effects of photoperiod and temperature on pteridine pigmentation.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D004781:Environmental Exposure; D005260:Female; D007915:Lepidoptera / Q000378:metabolism / Q000502:physiology*; D008297:Male; D010858:Pigmentation; D011621:Pteridines / Q000378:metabolism*; D012621:Seasons; D013696:Temperature
chemical_list: D011621:Pteridines