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"The molecular formula C21H30O5 (molar mass: 362.46 g/mol, exact mass: 362.209324) may refer to: * Cortisol, a corticosteroid * 5α-Dihydroaldosterone * Dihydrocortisone * Hydrocortisone * Humulone * 18-Hydroxycorticosterone * Isohumulone "
"Platycheirus occultus is a Palearctic species of hoverfly. Description External images For terms see Morphology of Diptera Tarsae 1: apical half of all segments without dark brown to black blotches ventrally. Femora 1 black to dark brown for less than half its length. Surstyli pale-haired.Speight, M.C.D. & Goeldlin de Tiefenau, P. (1990) Keys to distinguish Platycheirus angustipes, P.europaeus, P.occultus and P.ramsarensis (Dipt., Syrphidae) from other clypeatus group species known in Europe. Dipterists Digest, 5: 5-18. Distribution Norway, Sweden, Finland, Denmark, Ireland, Britain, North Germany, France Switzerland, Spain and northern Italy (Apennines), Serbia, Turkey Biology Habitat: fen and bog, coastal marsh and dune slacks, humid, seasonally-flooded, grassland, moorland, taiga wetlands. Flies April to September. References Category:Diptera of Europe Category:Hoverflies Category:Insects described in 1990 "
"Scopulini is a tribe of the geometer moth family (Geometridae), with about 900 species in seven genera. The tribe was described by Philogène Auguste Joseph Duponchel in 1845. Systematics Scopulini as a family name is an old synonym of the subfamily Sterrhinae (Meyrick, 1892). The tribe Scopulini is divided into seven genera, of which only Scopula and Problepsis have species in Europe. * Scopulini Duponchel, 1845 Dithalama Meyrick, 1888 (4 species in Australia and Tasmania) Isoplenodia Prout, 1932 (4 species in Africa) Lipomelia Warren, 1893 (1 species from India to Taiwan) Somatina Guenée, 1858 (44 species in Africa, East Asia and Australia) Zythos D. S. Fletcher, 1979 (11 species from Indonesia up to Papua-New Guinea) Problepsis Lederer, 1853 (51 species in the Palearctic, Africa, South-East Asia to Australia) Scopula Schrank, 1802 (including Glossotrophia Prout, 1913 and Holarctias Prout, 1913) (over 800 species) Phylogenetics The phylogenetics of Scopulini was described in detail in 2005 by Pasi Sihvonen. = Literature = * Hausmann, Axel The Geometrid Moths of Europe, 2. Sterrhinae. Apollo Books, Stenstrup 2004, * Abraham, D.; Ryrholm, N.; Wittzell, H.; Holloway, J. D.; Scoble, M. J.; Lofstedt, C.: "Molecular phylogeny of the subfamilies in Geometridae (Geometroidea: Lepidoptera)". Molecular Phylogenetics and Evolution. 20(1): 65-77 (2001) * External links * Lepiforum e.V. * Moths and Butterflies of Europe and North Africa Fauna Europaea "