Category Archives: Araneae

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Free Monograph on Pompilid Spider Wasps of North America

Kurczewski, F.E., Edwards, G.B., Pitts, J.P. Hosts, Nesting Behavior, and Ecology of Some North American Spider Wasps (Hymenoptera: Pompilidae), II† is available in pdf format at the Digital Commons of Utah State University. From the Abstract: “This […]

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First Spring Field Trip 2017

With an unruly spring–further delayed by an eight-day trip to New York with She Who Must be Obeyed, my usual April launch into the ice-free wilds became a May day. Ignoring the unkempt garden for a […]

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A Running Crab Spider — Philodromus histrio

Philodromus histrio is found worldwide across the northern hemisphere, this one was found in our front garden in Edmonton. In Sweden the name is Praktsnabblöpare, translating to “Magnificent Fast Runner”. The only site that carried some of […]

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Hammock Spider, sans hammock.

This may well be my only submission for Arachtober! This is what Gary calls an End-of-the-season-geez-thanks-for-at-least-a-live-arthropod Spider, but hopefully I will have more arthropods to share before the season ends. Pityohyphantes costatus  is a Hammock Spider, […]

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Philodromid Mom

A Running Crab Spider (Family Philodromidae) found in the garden under a lily leaf, guarding her egg case. Running crab spiders are hunters, and do not build webs to capture prey. When hunting they do lay a […]

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Martagon

One of the more successful plants in our garden are the white Martagon lilies we bought many years ago. They appreciate light shade and do well as a woodland plant. They will self-seed when happy with […]

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Microlinyphia mandibulata (Emerton 1882)

An adult male Microlinyphia mandibulata, previously blogged about at Delicate Linyphiidae. This is a sheet-web weaver (Linyphiidae), so named for the shape of their webs. Four photos of this spider are now up at the gallery. (Photographed […]

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Running Crab Spider, Thanatus sp.

Another upload to the gallery, this time a female Running Crab Spider (Philodromidae), Thanatus sp., possibly T. formicinus. At the time, I wondered about the ‘split’ on the abdomen, and it was only when I […]

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