Podalonia violaceipennis (Lepeletier) 1845. A
predominantly eastern North American specles, P.
violaceipennis is widespread in Michigan, being common in the
BIOLOGY: Podalonia violaceipennis nests in coarser sand
and heavier soil than the other three Podalonia species
listed. Nests are often dug in proximity to small clumps of
vegetation. One nest from Washtenaw County (Half Moon Lake, 7 June )
contained a Lacinipolia sp. (Noctuidae), and a nest from
Marquette County (Huron Mtn. Club, 9 August) contained a larva of
Faronta diffusa (Walker) (Noctuidae). The burrow diameters
were 7.0 and 8.0 mm, respectively. Burrow lengths were 1.5 and 3.0
cm, while the cells measured 1.6 and 2.1 cm deep, respectively.
FLOWER RECORDS: Daucus carota, Erigeron philadelphia,
Galium triforum, Solidago juncea, S. nemoralis, Solidago spp.
COLLECTION DATES: 204 specimens,1 June to 5 October. Most
dates are in July and August.
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