Helianthus divaricatus, Woodland Sunflower |
Tucked within the name of Halibut Point's native sunflower is 'divarication', which means branching and spreading but sometimes with an inelegant sense of sprawling. Happily for Park visitors and pollinators Helianthus divaricatus divaricates through the moors holding golden flowers above the tangled briers and shoreline panorama.
Cabbage White butterfly |
This sunflower has attracted a variety of butterflies in what has otherwise seemed a slim year for everybody's favorite insect.
Little Glassywing |
American Copper |
Monarch |
Pearl Crescent butterfly and Bumblebee |
The sunflowers provide nectar to an eclectic group of pollinators. Interestingly, this very seldom includes honeybees, but various native bees relish the offering.
Furrow Bee, Halictidae |
Plaster Bee, Colletes inaequalis |
Small Carpenter Bee, Ceratina |
Metallic Sweat Bee, Halictidae |
Some bee look-alikes in the Flower Fly family Syrphidae also show up for the banquet.
Toxomerus geminatus |
Epistrophe grossulariae |
Syrphus torvus |
Eristalis transversa |
None of these nectar-seekers is bothered by wasps that join in the nutrition-for-pollination barter with the plant, although many wasps hunt other insects as food for their developing larvae.
Ammophila nigricans, Thread-waisted Wasp |
This Thread-waisted Wasp has paralyzed a caterpillar larger than itself, that it is carrying off to feed its young in a burrow.
The wasp deposits eggs in the still-living caterpillar. As its larvae develop they slowly consume their slowly dying host.
Meanwhile the plant, which originates the cycle by converting solar energy to organic life, displays its sunflowers to the pollinators that help perpetuate it.
Gross wasp caterpillar story, but beautiful pictures!
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