Category: Specialists
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Perdita
Perdita are tiny sand sprites. Bees in this genus are affectionately known as “fairy bees” and they are most diverse in the desert southwest, with only a handful of species found in the northeast. Because of their tiny size, tight association with sand, and often strict host plant requirements, Perdita are rarely stumbled upon. In…
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Carpenter-mimic leafcutter bee (Megachile xylocopoides)
Megachilidae > Megachile > Megachile xylocopoides Carpenter-mimic leafcutter bee (Megachile xylocopoides) is a large, glossy black megachilid. It can be found throughout the summer on asters like coreopsis, sunflowers, and goldenrods in gardens and backyards. M. xylocopoides is a straightforward field identification: it hardly resembles another megachilid in the northeast. Rather, its model is the…
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Pugnacious leafcutter bee (Megachile pugnata)
Megachilidae > Megachile > Megachile pugnata Pugnacious leafcutter bee (Megachile pugnata) is a sunflower bee through and through. This distinctive, large megachilid is common in summer on composite asters in gardens, backyards, and agricultural fields. It has a particularly large head, including a genal tooth (like Halictus ligatus/poeyi), which sets it apart from close relatives…
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European small-woolcarder (Pseudoanthidium nanum)
Megachilidae > Pseudoanthidium > Pseudoanthidium nanum European small-woolcarder (Psuedoanthidium nanum) is found on small weedy asters growing in cracks in the sidewalk. This exotic species thrives in the most industrial and urbanized places. P. nanum is a recent arrival in the northeast, but has since spread to major population centers along the eastern seaboard. Phenology…
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Sunflower burrowing-resin bee (Paranthidium jugatorium)
Megachilidae > Paranthidium > Paranthidium jugatorium Sunflower burrowing-resin bee (Paranthidium jugatorium) is an uncommon, distinctive bee found on sunflowers. P. jugatorium is common in both forests and nearby gardens within their range, but in the northeast, this range is seemingly restricted to high-elevation alkaline soils such as the Berkshires in Massachusetts or the Green Mountains…
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Blueberry digger bee (Habropoda laboriosa)
Apidae > Habropoda > Habropoda laboriosa The blueberry digger bee (Habropoda laboriosa) is a common and economically-significant visitor to blueberry throughout the southeast. While its primary natural habitat of pine barrens is threatened by development and fire suppression, H. laboriosa appears to be flexible in its habitat preferences and frequently occurs in suburban and semi-urban…
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Thistle longhorn bee (Melissodes desponsus)
Apidae > Melissodes > Melissodes desponsus Eastern thistle longhorn bee (Melissodes desponsus) can be found buried deep in the frills of a thistle. This late-summer longhorn bee is always found close to its thistle (Cirsium spp.) host plants. Females are large and robust, with a pale thorax and all-black abdomen, but don’t be fooled into…
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Hoary squash bee (Peponapis pruinosa)
Apidae > Peponapis > Peponapis pruinosa Pruinose squash bee (Peponapis pruinosa) is one of the most common vegetable garden pollinators in the northeast. With a bright orange thorax and protruding clypeus, males and females are distinctive among regional eucerines. For P. pruinosa, the early bee gets the pollen: females are active very early in the…
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Drury’s longhorn bee (Melissodes druriellus)
Apidae > Melissodes > Melissodes druriellus Drury’s longhorn bee (Melissodes druriellus) is yet another player in the marvelous theater of goldenrods and asters. Females have a distinctive “banded” thorax created by a cinnamon stripe on the apical half. Look for these bees in August and September, but you’ll have to be fast to catch a…
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Cloudy-winged mining bee (Andrena nubecula)
Andrenidae > Andrena > Andrena nubecula Cloudy-winged mining bee (Andrena nubecula) is a sure sign of fall. This dark slender mining bee is primarily found on goldenrods in old fields, meadows, and suburban gardens adjacent to forests. Look for a medium-sized bee, with smoky wings held out at an angle, and armpits full of orange…