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      Heat hindering butterflies, food source

      Ecologists in Kansas and Missouri say extreme temperatures are killing a large number of butterflies and could hurt their southern migration next month.

      Millions of monarch butterflies are expected to migrate south through the two states in less than a month in their seasonal trip from Canada to Mexico.

      KSHB-TV reports the Powell Botanical Gardens annual butterfly festival east of Kansas City is seeing the lowest number of monarchs in a decade.

      University of Kansas Monarch Watch director Chip Taylor says flowers that should bloom in the fall already are finished blooming, which could be a problem for butterflies that need the plants' nectar for their journey.

      Horticulturists say fewer butterflies also could mean fewer birds, bees and flowers as the drought continues.