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Eudrilus Eugeniae
''Eudrilus eugeniae'', also called the "African Nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost; it is an excellent source of protein and has great pharmaceutical potential. Growth Fecundity, growth, maturation and biomass production were all significantly greater at 25 °C than 15°, 20°or 30°. The growth of individual earthworms increases as the population density lowers, but the greatest overall earthworm biomass production occurs at the highest population density. The greatest number of cocoons per week and the number of hatchlings per cocoon are obtained at 25 °C. Cocoons of ''E. eugeniae'' hatched in only 12 days at 25 °C, and the worms reach sexual maturity in as little as 35 days after hatching. Etymology Named after Johan Gustaf Hjalmar Kinberg's Swedish survey ship, the ‘Eugenie’. Life cycle Throughout its life cycle, ''E. eugeniae'' grows much more rapidly than ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clitellata
The Clitellata are a class of annelid worms, characterized by having a clitellum - the 'collar' that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, they do not have parapodia and their heads are less developed. Characteristics Clitellate annelids are segmented worms characterised by the clitellum or girdle which is located near the head end of mature individuals. The mouth is on the ventral surface and is overhung by the prostomium (proboscis). The brain is not located in the head but in one of the body segments. The clitellum is formed by a modification of several segments, and either includes the female gonopores or is located just behind them. During copulation, this glandular tissue secretes mucus that keeps the paired individuals together while they exchange sperm. Afterwards it secretes material that forms a cocoon that encircles the animal's body and encloses the eggs and sperm. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oligochaeta
Oligochaeta () is a subclass of animals in the phylum Annelida, which is made up of many types of aquatic and terrestrial worms, including all of the various earthworms. Specifically, oligochaetes comprise the terrestrial megadrile earthworms (some of which are semiaquatic or fully aquatic), and freshwater or semiterrestrial microdrile forms, including the tubificids, pot worms and ice worms ( Enchytraeidae), blackworms ( Lumbriculidae) and several interstitial marine worms. With around 10,000 known species, the Oligochaeta make up about half of the phylum Annelida. These worms usually have few setae (chaetae) or "bristles" on their outer body surfaces, and lack parapodia, unlike polychaeta. Diversity Oligochaetes are well-segmented worms and most have a spacious body cavity (coelom) used as a hydroskeleton. They range in length from less than up to in the 'giant' species such as the giant Gippsland earthworm (''Megascolides australis'') and the Mekong worm (''Amynth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haplotaxida
The Haplotaxida are one of two orders within the annelid subclass Oligochaeta, the other being the Lumbriculida. No real common name exists, but they are simply referred to as haplotaxids. Given that the other clitellatan annelids are embedded between and around the Haplotaxida and Lumbriculida, the traditional ''Oligochaeta'' are a paraphyletic assemblage. Thus, the Haplotaxida might eventually be up-ranked to subclass status within the ''Clitellata'' or an expanded Oligochaeta, with the present suborders advancing to order rank. The latter – though without merging the ''Oligochaeta'' and ''Clitellata'' – has been proposed time and again in the past, most prominently for the distinct '' Moniligastrina.'' Families Of the four suborders of Haplotaxida, two are minor lineages, monotypic at family level. Another one, the Tubificina, is sizeable and contains the aquatic worms, while the fourth, the earthworms or Lumbricina, unites the bulk of the order's families: Suborder H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eudrilidae
The Eudrilidae are a family of earthworms, mostly of Africa. One species, '' Eudrilus eugeniae'' (Kinberg, 1867), is widely distributed around the warmer parts of the world and historically cultured as the "African nightcrawler".Blakemore (2015). - http://africaninvertebrates.org/ojs/index.php/AI/article/view/395 The male pores of eudrilids are in segment 17, as is also typical of Ocnerodrilidae. Eudrilids differ from the family Megascolecidae and Acanthodrilidae in having euprostates, i.e., a muscular and possibly glandular development of the vasa deferentia (male ducts from testes) that open to the male pores. Eudrilids further differ from megascolecids, and ocnerodrilids in the development of internal fertilisation with the equivalent of the spermathecae opening directly to the ovisacs, allowing sperm to combine with the eggs from the ovaries via a female opening in segment 14. References Bibliography *Sims, R.W. 1967. Earthworms (Acanthodrilidae and Eudrilidae) from G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eudrilus
''Eudrilus'' is a genus of annelids belonging to the family Eudrilidae. Species: *''Eudrilus eugeniae ''Eudrilus eugeniae'', also called the "African Nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost; it is an excellent source of protein and has great pharmaceutical potent ...'' *'' Eudrilus kamerunensis'' *'' Eudrilus milliemosbyae'' *'' Eudrilus pallidus'' *'' Eudrilus simplex'' *'' Eudrilus sodeindei'' References {{Taxonbar, from=Q15631717 Clitellata Annelid genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hjalmar Kinberg
Johan Gustaf Hjalmar Kinberg (13 May 1820 – 29 August 1908) was a Swedish zoologist, physician and veterinarian who was born in Grönby, near Trelleborg, Skåne County and who died in St. Matthew's Parish, Stockholm. Family Hjalmar Kinberg's father was a rural dean, as was his grandfather, . His mother, Margareta Lovisa Schlyter, was the sister of Professor Carl Johan Schlyter, a noted Swedish lawyer and academic. Kinberg married twice, first, in 1854, to Helena Stockenberg (1831–1858). After the death of his first wife, he married again in 1859 to Aurore Hammarskjöld. He had two children: Arvid Gustaf Kinberg who was born in 1860 and Gottfrid Hilding Kinberg who was born in 1874. He is the great-great-grandfather of Anna Kinberg Batra, a Swedish politician who was Leader of the Moderate Party and Leader of the Opposition in Sweden. Career Kinberg enrolled at the University of Lund in 1838 and graduated with a degree in natural sciences in 1844, then a Master of Philosoph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earthworm
An earthworm is a terrestrial invertebrate that belongs to the phylum Annelida. They exhibit a tube-within-a-tube body plan; they are externally segmented with corresponding internal segmentation; and they usually have setae on all segments. They occur worldwide where soil, water, and temperature allow. Earthworms are commonly found in soil, eating a wide variety of organic matter. This organic matter includes plant matter, living protozoa, rotifers, nematodes, bacteria, fungi, and other microorganisms. An earthworm's digestive system runs the length of its body. An earthworm respires (breathes) through its skin. It has a double transport system made of coelomic fluid that moves within the fluid-filled coelom and a simple, closed circulatory system. It has a central and peripheral nervous system. Its central nervous system consists of two ganglia above the mouth, one on either side, connected to a nerve running along its length to motor neurons and sensory cells in each s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vermicompost
Vermicompost (vermi-compost) is the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast. This process is called vermicomposting, while the rearing of worms for this purpose is called vermiculture. Vermicast (also called worm castings, worm humus, worm manure, or worm faeces) is the end-product of the breakdown of organic matter by earthworms. These excreta have been shown to contain reduced levels of contaminants and a higher saturation of nutrients than the organic materials before vermicomposting. Vermicompost contains water-soluble nutrients and is an excellent, nutrient-rich organic fertilizer and soil conditioner.Coyne, Kelly and Erik Knutzen. ''The Urban Homestead: Your Guide to Self-Sufficient Living in the Heart of the City.'' Port Townsend: Process Self Reliance Series, 2008. It is used in gardening and su ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eisenia Fetida
''Eisenia fetida'', known under various common names such as manure worm, redworm, brandling worm, panfish worm, trout worm, tiger worm, red wiggler worm, etc., is a species of earthworm adapted to decaying organic material. These worms thrive in rotting vegetation, compost, and manure. They are epigean, rarely found in soil. In this trait, they resemble ''Lumbricus rubellus''. Red wigglers are reddish-brown in color, have small rings around their body and have a yellowish tail. They have groups of bristles (called setae) on each segment that move in and out to grip nearby surfaces as the worms stretch and contract their muscles to push themselves forward or backward. ''Eisenia fetida'' worms are native to Europe, but have been introduced (both intentionally and unintentionally) to every other continent except Antarctica. ''Eisenia fetida'' also possess a unique natural defense system in their coelomic fluid: cells called coelomocytes secrete a protein called lysenin, wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
