Biodiversity Day

Backyard and Beyond

Well, the picture of the aphid on the street oak tree leaf that feeds the ladybug was too blurry to use, but you get my drift… . We certainly merit an extra post today for biodiversity.

This is the husk of the larval stage of the Winter Firefly (Pyractomena borealis). As firefly maven Sara Lewis explains, the Pyractomena genus is fairly unusual among the fireflies. Most fireflies pupate underground. Members of this genus crawl up trees and get in the nooks and crannies of the bark to metamorphosis into an adult beetle. This gnarly bark belongs to a butternut or white walnut (Juglans cinerea), a rarer and rarer tree these days because of a fungal butternut canker. The trees tend to look like hell (a couple at Morris Arboretum look like hell warmed over). These two were hidden away in the forests of Inwood; our Torrey…

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