Dieunomia nevadensis

(Cresson, 1874)

Nevada nomia

Species Guides

Dieunomia nevadensis angelesia(Nevada nomia)
Dieunomia nevadensis arizonensis(Arizona Nomia)
Dieunomia nevadensis bakeri(Baker's Nomia)

Dieunomia nevadensis, commonly known as the Nevada nomia, is a of sweat bee in the Halictidae. First described by Ezra Cresson in 1874, this occurs across Central America and North America. The species includes five recognized that vary in coloration, size, and geographic range. Subspecies exhibit notable morphological differences, with some forms distinguished by abdominal coloration ranging from red to black.

Dieunomia nevadensis arizonensis by (c) Wendy McCrady, some rights reserved (CC BY), uploaded by Wendy McCrady. Used under a CC-BY license.

Dieunomia nevadensis bakeri by (c) Melissa McMasters, some rights reserved (CC BY). Used under a CC-BY license.

Dieunomia nevadensis by (c) Wendy McCrady, some rights reserved (CC BY), uploaded by Wendy McCrady. Used under a CC-BY license.

Pronunciation

How to pronounce Dieunomia nevadensis: /diː.juˈnoʊ.miə nɪ.vəˈdɛn.sɪs/

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Identification

The D. n. arizonensis is distinguished by an extensively red . D. n. bakeri is approximately 2 mm longer and more robust than typical D. nevadensis, with a black rather than yellowish-red abdomen, coarser punctures in the , and less red . D. n. bakeri was originally described as a separate but subordinated based on identical genitalia despite outward differences.

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Distribution

Occurs in Central America and North America. The D. n. arizonensis is found in the southwestern and western United States and Mexico. D. n. bakeri ranges eastward to Texas, Florida, and North Carolina; westward to Colorado and Wyoming; and northward to Illinois, with range overlap with D. n. arizonensis.

More Details

Subspecies

Five are recognized: D. n. angelesia (Cockerell, 1910), D. n. arizonensis (Cockerell, 1899), D. n. bakeri (Cockerell, 1898), D. n. nevadensis (Cresson, 1874), and D. n. stellata (Cross, 1958). D. n. bakeri was synonymized in 1930 based on genital despite distinct external appearance.