Holmen is a city in La Crosse County, Wisconsin, United States. The population was 10,661 as of the census of 2020. It is part of the La Crosse-Onalaska, WI-MN Metropolitan Statistical Area.
Naval Station Holmen is one of several naval stations of the Royal Danish Navy, supplementing the two Danish naval bases in Frederikshavn and Korsør.
Orthotrichaceae is the only family of mosses in the order Orthotrichales. Many species in the family are epiphytic.
Melitta is a genus of bees in the family Melittidae. It includes about 40 species restricted to Africa and the northern temperate zone. Most of the species are Palaearctic, though three rare species occur in North America.
Holmen is a water-bound neighbourhood in Copenhagen, Denmark, occupying the former grounds of the Royal Naval Base and Dockyards. In spite of its name, deceptively in singular, Holmen is a congregation of small islands, forming a north-eastern extension of Christianshavn between Zealand and the northern tip of Amager.
Panurgus is a genus of mining bees belonging to the family Andrenidae, subfamily Panurginae.
Sphecodes is a genus of cuckoo bees from the family Halictidae, the majority of which are black and red in colour and are colloquially known as blood bees. Sphecodes bees are kleptoparasitic on other bees, especially bees in the genera Lasioglossum, Halictus and Andrena. The adults consume nectar, but because they use other bees' provisions to feed their offspring they do not collect pollen.
Chelostoma is a genus of bees in the Osmiini tribe of the family Megachilidae. The genus is divided into 5 subgenera with at least 60 described species.
Panurginus is a genus of bees in the family Andrenidae. There are more than 50 described species in Panurginus.
Macromitrium is a genus of mosses belonging to the family Orthotrichaceae.
Ammobates is a genus of cuckoo bees belonging to the family Apidae.
Flavomeliturgula is a genus of bees belonging to the family Andrenidae.
Stenosmia is a genus of bees belonging to the family Megachilidae.
Pseudapis is a genus of bees belonging to the family Halictidae.
Chiasmognathus is a genus of cuckoo bees belonging to the family Apidae.
Parammobatodes is a genus of cuckoo bees belonging to the family Apidae.
Camptopoeum is a genus of bees of the subfamily Panurginae.
Klaus Warncke was a German schoolteacher, zoologist and entomologist who specialized in the Hymenoptera. He took a special interest in the genus Andrena of the Palearctic.
Nyholmiella obtusifolia is a species of moss in the family Orthotrichaceae. An epiphytic species which grows on bark or sometimes stone. This species has a widespread northern distribution, known from Eurasia and North America.
