Nesagapostemon Nesagapostemon Nesagapostemon is an extinct monotypic genus of sweat bee in the Halictidae subfamily Halictinae. At present, it contains the single species "Nesagapostemon moronei". The genus name "Nesagapostemon" is derived from a combination of the Greek "nesos", meaning "island", and "Agapostemon", a very similar genus of halictids which may be related. The species is named in honor of Ettore Morone of Turin, Italy. The species is known from the holotype, a single long female currently in the private collection owned by Morone (catalog number MACT-1172), and which was first studied by Dr. Michael S. Engel. Engel published his type description
Peristylus published in "Bijdragen tot de flora van Nederlandsch Indië ". The genus name is derived from the Ancient Greek words "peri" meaning "around" or "near" and "stylos" meaning "pillar" or "post", referring to the arms on each side of the column. Orchids in the genus " Peristylus" are found in Japan, China, Mongolia, India, Indochina, Indonesia, Philippines, Malaysia, the Philippines, Indonesia, New Guinea, Polynesia and Australia. , the World Checklist of Selected Plant Families accepted the following species: Peristylus Peristylus, sometimes commonly known as ogre orchids or bog orchids is a genus of flowering plants from the orchid family, Orchidaceae.