| Ilybius fenestratus | |
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| Ilybius fenestratus | |
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| Species: | I. fenestratus |
| Binomial name | |
| Ilybius fenestratus (Fabricius, 1781) | |
Ilybius fenestratus is a species of beetle found in many countries in Europe. It was first described by Johan Christian Fabricius in 1781.
The scent gland of this species of beetle is natural source for the anabolic steroid boldenone (Δ1-testosterone). [1]
Boldenone, is a naturally occurring anabolic–androgenic steroid (AAS) and the 1(2)-dehydrogenated analogue of testosterone. Boldenone itself has never been marketed; as a pharmaceutical drug, it is used as boldenone undecylenate, the undecylenate ester.
Ilybius is a large genus of predatory aquatic beetles in the family Dytiscidae. The genus is native to the Palearctic, the Near East, the Nearctic, and North Africa. 70 species has been described from this genus:
Ilybius ater is a species of beetle native to the Palearctic, including Europe, and the Near East.
Ilybius quadriguttatus is a species of beetle native to Europe and Near East. In Europe, it is found in Austria, Belarus, Belgium, Bulgaria, Croatia, the Czech Republic, mainland Denmark, Estonia, Finland, mainland France, Germany, Great Britain including the Isle of Man, Hungary, mainland Italy, Kaliningrad, Latvia, Liechtenstein, Lithuania, mainland Norway, Poland, Romania, Russia, Slovakia, Slovenia, mainland Spain, Sweden, Switzerland, the Netherlands, Ukraine and Yugoslavia.
Boldenone undecylenate, or boldenone undecenoate, sold under the brand names Equipoise and Parenabol among others, is an androgen and anabolic steroid (AAS) medication which is used in veterinary medicine, mainly in horses. It was formerly used in humans as well. It is given by injection into muscle.
Ilybius hypomelas is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius quadrimaculatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius discedens is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius oblitus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.This species can tolerate low temperatures, but is still susceptible to freezing.
Ilybius subaeneus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius biguttulus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius larsoni is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius lineellus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius angustior is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius picipes is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius erichsoni is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius opacus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America and the Palearctic.
Ilybius gagates is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Ilybius ignarus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
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