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Manabul Β· 9 months ago
Sarhul the Spring Festival
Sarhul, the spring festival, holds significant cultural importance for indigenous tribes such as the Mundas, Oraons, and Santhals. Particularly for the Oraon community, it stands out as the largest spring festival observed during the months of March and April. In their native language, it is referred to as βKhaddi,β symbolizing the symbolic union or marriage of the earth. The significance of the forest flower known as sakhua or Sal is paramount as it symbolizes the cultural importance deeply rooted within the forest ecosystem. Despite their inherent significance, forest flowers often go unnoticed, highlighting the need to acknowledge and appreciate their cultural and ecological value. During this festival, reverence is bestowed upon Dharti Mata, as, the wife of Lord Rama encompassing the celebration of all forms of nature.This festival exemplifies the indigenous tribesβ conviction in the autonomy of their nature-centric worship practices which shows their core value of religion different from brahamnical ideologies. It underscores their deep-rooted gratitude towards nature for the sustenance and resources it provides, showcasing a distinct cultural reverence for their environment and its bounty. This festival provides a strong sense of identity, particularly for theOraon tribe who predominantly engaged in agriculture, adheres to Sarnaism as its religious belief system which is not Hinduism revering nature as integral to their spirituality, this community celebrates the festival by offering homage to trees and various natural elements. |
Sisan Β· 1 year ago
Dry Eye and Blepharitis
Blepharitis is a condition that causes inflammation of the oil glands in the eyelids. The condition is a common cause of dry eyes. This disorder is commonly associated with skin or bacterial conditions. While it can be irritating, the condition does not cause permanent vision impairment. Blepharitis is normally defined by its location on the eyelid. Anterior blepharitis occurs on the outer edge of the eyelids while posterior blepharitis occurs on the inner edges of the lids. |
Sisan Β· 1 year ago
Species New to Science
Seven species of the family Corydalidae (Insecta: Megaloptera) are newly recorded from Myanmar, including a new species of the dobsonfly genus Protohermes van der Weele, 1907, Protohermes burmanus sp. nov. A total of 18 species of Megaloptera are now known from Myanmar. Keywords: Megaloptera, Corydalinae, Chauliodinae, Protohermes, taxonomy, Burma |
Sisan Β· 1 year ago
Tracking the history of Corydalus peruvianus Davis, 1903 (Megaloptera: Corydalidae) in Brazil
Barclay, A., Portman, R.W. & Hill, P.S.M. (2005) Tracheal gills of the dobsonfly larvae, or hellgrammite Corydalus cornutus L. (Megaloptera: Corydalidae). Journal of the Kansas Entomological Society, 78, 181β185. https://doi.org/10.2317/0409.23.1 Contreras-Ramos, A. (1998) Systematics of the dobsonfly genus Corydalus (Megaloptera: Corydalidae). Thomas Say Publications in Entomology: Monographs. Entomological Society of America, Lanham, 360 pp. https://doi.org/10.4182/KKIO9247 Contreras-Ramos, A. (2011) Phylogenetic review of dobsonflies of the subfamily Corydalinae and the genus Corydalus Latreille (Megaloptera: Corydalidae). Zootaxa, 2862 (1), 1β38. https://doi.org/10.11646/zootaxa.2862.1.1 Cover, M.R. & Resh, V.H. (2008) Global diversity of dobsonflies, fishflies, and alderflies (Megaloptera; Insecta) and spongillaflies, nevrorthids, and osmylids (Neuroptera; Insecta) in freshwater. Hydrobiologia, 595, 409β417. https://doi.org/10.1007/s10750-007-9035-z Gama-Neto, J.L. & Passos, M.A.B. (2018) Primeiro registro de Corydalus peruvianus Davis (Megaloptera: Coridalidae: Coridalinae) no Brasil. EntomoBrasilis, 11 (1), 45β48. https://doi.org/10.12741/ebrasilis.v11i1.704 Glorioso, M.J. (1981) Systematics of the dobsonfly subfamily Corydalinae (Megaloptera: Corydalidae). Systematic Entomology, 6, 253β290. https://doi.org/10.1111/j.1365-3113.1981.tb00440.x Hall, D.W. (2013) Eastern dobsonfly (adult), hellgrammite (larva) Corydalus cornutus (Linnaeus) (Insecta: Megaloptera: Corydalidae: Corydalinae). EDIS, 6, EENY 414. https://doi.org/10.32473/edis-in987-2013 Hamada, N. & AzevΓͺdo, C.A.S. (2024) Megaloptera Latreille, 1802. In: Rafael, J.A., Melo, G.A.R., de Carvalho, C.J.B., Casari, S.A. & Constantino, R. (Eds.), Insetos do Brasil: Diversidade e Taxonomia. 2nd Edition. Holos Editora, RibeirΓ£o Preto, pp. 546β551. https://doi.org/10.61818/56330464c28 Hoover, J.J., Gage, K.L. & Paulissen, M.S. (1988) Hellgrammite respiration - temperatureβs role in ectotherm physiology. The American Biology Teacher, 50, 39β42. https://doi.org/10.2307/4448631 Liu, X.-Y., Hayashi, F., Viraktamath, C.A. & Yang, D. (2012) Systematics and biogeography of the dobsonfly genus Nevromus Rambur (Megaloptera: Corydalidae: Corydalinae) from the Oriental realm. Systematic Entomology, 37, 657β669. https://doi.org/10.1111/j.1365-3113.2012.00635.x Liu, X.-Y., Hayashi, F. & Yang, D. (2015) Phylogeny of the family Sialidae (Insecta: Megaloptera) inferred from morphological data, with implications for generic classification and historical biogeography. Cladistics, 31, 18β49. https://doi.org/10.1111/cla.12071 Martins, C.C. (2024) Corydalidae in CatΓ‘logo TaxonΓ΄mico da Fauna do Brasil. PNUD. Available from: http://fauna.jbrj.gov.br/fauna/faunadobrasil/249 (accessed 5 May 2023) Martins, C.C., Ardila-Camacho, A., Rivera-GasperΓn, S.L., Oswald, J.D., Liu, X. & Contreras-Ramos, A. (2022) A world checklist of extant and extinct species of Megaloptera (Insecta: Neuropterida). European journal of taxonomy, 812, 1β93. https://doi.org/10.5852/ejt.2022.812.1727 McCafferty, W.P. & Provonsha, A.V. (1983) Aquatic Entomology: The Fishermanβs and Ecologistβs Illustrated Guide to Insects and Their Relatives. Jones and Bartlett Publishers, Portola Valley, California, 448 pp. Neunzig, H.H. & Baker, J.R. (1991) Order Megaloptera. In: Stehr, F.W. (Ed.) Immature Insects. Vol. 2. Kendall/Hunt Publishing Company, Dubuque, Iowa, pp. 112β122. New, T.R. & Theischinger, G. (1993) Megaloptera (Alderflies, Dobsonflies). Handbuch der Zoologie, Berlin, 4, 1β97. https://doi.org/10.1515/9783110857177 Penny, N.D. (1982) Neuroptera of the Amazon Basin. Part 7. Corydalidae (1). Journal Acta Amazonica, 12, 825β837. https://doi.org/10.1590/1809-43921982124825 |
Sisan Β· 1 year ago
Family Corydalidae
Description: Dobson flies are recognized by their hyaline wings and their large mandibles that often serve as pinchers. These mandibles are smaller in females but can become quite large in some males Adults live near aquatic areas but may be attracted to lights at night. Larvae are aquatic and are commonly used as bait by fishermen. |
Miser Β· 1 year ago
Acanthus mollis
Acanthus mollis, commonly known as bear's breeches, sea dock,[2] bear's foot plant, sea holly, gator plant or oyster plant,[3] is a species of plant in the family Acanthaceae and is native to the Mediterranean region. It is a leafy, clump-forming perennial herb, with a rosette of relatively large, lobed or toothed leaves, and purplish and white flowers on an erect spike. |
Miser Β· 1 year ago
Operating System Definition and Function
In the Computer System (comprises of Hardware and software), Hardware can only understand machine code (in the form of 0 and 1) which doesn't make any sense to a naive user. We need a system which can act as an intermediary and manage all the processes and resources present in the system. An Operating System can be defined as an interface between user and hardware. It is responsible for the execution of all the processes, Resource Allocation, CPU management, File Management and many other tasks. The purpose of an operating system is to provide an environment in which a user can execute programs in convenient and efficient manner. |
Information Β· 1 year ago
AEONIUM ARBOREUM βSCHWARZKOPFβ (PURPLE AEONIUM)
Exotic succulents for conservatories or very mild gardens. Plants produce a tall yellow pyramid of flowers. These perennial succulents can only be grown outside in the very mildest of gardens where there is danger of only slight frost and the soil is free draining. Otherwise they make excellent house or conservatory plants. If deprived of light (in winter, particularly), they loose some of their purple-ness and turn green in parts. The purple-ness returns with the return of the sun. In their native country they sometimes seem to prefer shadier spots. They will tolerate a fair bit of our weaker British sunshine so if you have one growing inside ensure it still gets plenty of light, although not a very sunny windowsill. If grown in a pot make sure you don't over water (easily done) especially in winter and early spring before growth starts, otherwise rot quickly sets in and reduces roots to a mushy mess. However, if this does occur all is not lost. Take the remaining bits of healthy rosette or rosettes, remove the lower rotten section and place them in a seed tray filled with perlite - they should root out quite quickly. Aphids and slugs seem to be the most common pests but apart from that Aeoniums are pretty easy plants to grow and keep. Propagated by us from cuttings. |
Information Β· 1 year ago
Acer japonicum ecnifolium 'Full Moon' (Full Moon Maple)
A slow growing small tree with green leaves and a distinctive spreading habit followed by a domed shade in maturity. Bright red autumn colour. Can reach up to 30ft after 50 years. Position: Best grown in well drained, moist, neutral to acid soil in light shade. Protect from cold and drying winds in early spring. 'By cuttings' |
Information Β· 1 year ago
Agapanthus 'Blue Storm' (Lily of the Nile)
Plant these en masse for maximum impact. The flowers are more much numerous but much less tall (to 4ft max) than in the huge and better known Agapanthus africanus. Drifts of them work wonders. The clue's in the name - it's an enormous amount of blue. It's also hardier than Agapanthus africanus but dies down in the winter. Flowers for several weeks during mid-summer. Best in sun in any reasonably well drained soil. A comparative comment on Agapanthuses : The big one (Agapanthus africanus) and the little ones (Agapanthus 'Blue Storm' and 'Snow Storm') cannot really be compared. It's tempting because they're both Agapanthuses and they both have green strappy leaves and either blue or white flowers but the big one stands alone and are so big that they can be used almost like topiary - a pair in pots either side of an entrance for example. There's no reason why you couldn't do the same with the smaller ones but the smaller ones really lend themselves to being planted in drifts - blue or white rivers wending their way through the garden. The point is, one's not comparing like with like. |
Information Β· 1 year ago
ACER JAPONICUM βMEIGETSUβ (HARVEST MOON MAPLE)
It is an upright and strong grower reaching 2 or 3m over 10 years. Best grown with their feet in the shade and head in the sun, in well drained, moist, neutral to acid soil, protected from cold and drying winds. Prune lightly for health but never when the sap is rising in the spring. Propagated by cuttings/grafted. |
Information Β· 1 year ago
ACANTHUS MOLLIS (BIG SPINACH)
Bright green, leafy perennial, fully hardy and evergreen in mild areas. Will grow to about 3-4ft tall and across. Easy plant to cultivate. Acanthus will grow in sun or shade. It'll flower more in the sun but the leaves will look bigger and darker and shinier in the shade. The tall spikes (6ft ish) of purple-hooded white flowers appear in high summer. The carved leafy bits so characteristic of the capitals on Corinthian columns are they. Not surprising really as Acanthus grows everywhere around Corinth and evidently did 2500 years ago too. Removal of old flowers and leaves (anything unsightly) is a great help - especially in winter. Severe frost (-4Β°c or below) will give the leaves a look that could be described as both glazed and floppy. It can look terminal but it's not. They recover wonderfully well as soon as the temperature rises. PLEASE NOTE : this plant is occasionally susceptible to powdery mildew, an endemic air-born fungus. It's easy to treat and we suggest the following action can be taken if you see the white powdery residue on the leaves. Remove as much of the affected parts as possible; clean up thoroughly and remove all rubbish from the area; spray with a general purpose ready to use systemic fungicide - one that contains myclobutanil - such as Fungus Fighter. Easy to cure. Alternatively, just remove ALL affected leaves and burn them. |
Information Β· 1 year ago
ACER PALMATUM DISSECTUM (CUT LEAF MAPLE)
This is the green leafed form of Dissectum. The plant weeps more than some of the other Japanese Maples. The leaves are deeply cut and delicate and emerge in spring pale green and remain like that all summer but the autumn is one of the finest of all the Maples - bright scarlet. It's one of the classic slow growing Japanese Maples - 10ft after 20-25 years. Any reasonably well drained soil (but not chalk) but they need light or partial shade out of strong winds. Because they're so slow growing, they're surprisingly happy in a pot but don't allow them to dry out. This can lead to the tips browning and full recovery probably won't happen until the following year. The most enjoyable bit about growing these (apart from looking at them) is practising your gentle Creative Maintenance skills upon them. Creating a beautifully domed and balanced head, raising the crown (removing lower branches) to display the branch structure at the base and just snipping off dead bits. Great fun. These plants are grafted so if you see an alien sprig appearing at the base, cut it off. N.B. When clipping several plants with the same tool, have a bucket containing a 5% bleach solution and swish your blades around for 30 seconds between plants to sterilise them. This will help avoid the chance of cross contamination of disease. As with all woody plants, plant high, exposing as much of the taper at the base of the trunk as possible. Allowing soil to accumulate round the base of a tree can be fatal. Keep very well watered when first planted. |
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Shared Contents 4086, News Feed 2688, Admin Contents 2687