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Trichilogaster Signiventris
''Trichilogaster signiventris'', commonly known as the golden wattle bud-galling wasp, is a species of Australian chalcid wasps that parasitises, among others, ''Acacia pycnantha'' (golden wattle). It has been introduced into South Africa, where the golden wattle has become an invasive plant, invasive pest. American entomologist Alexandre Arsène Girault described the species as ''Perilampella signiventris'' in 1931. The female is yellow and black in colour, though highly variable in colour proportion and pattern. It is long. The male is of similar size and almost entirely black with black and yellow legs. The success of the related species ''Trichilogaster acaciaelongifoliae'' in managing ''Acacia longifolia'' led scientists to look for another species to control ''A. pycnantha''. ''T. signiventris'' was introduced twice and at first thought a failure. Wasps from Lake Natimuk in Victoria were transported and released in Western Cape in 1987 and as no galls were seen the fir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gall
Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or warts in animals. They can be caused by various parasites, from viruses, fungi and bacteria, to other plants, insects and mites. Plant galls are often highly organized structures so that the cause of the gall can often be determined without the actual agent being identified. This applies particularly to some insect and mite plant galls. The study of plant galls is known as cecidology. In human pathology, a gall is a raised sore on the skin, usually caused by chafing or rubbing. Causes of plant galls Insects and mites Insect galls are the highly distinctive plant structures formed by some herbivorous insects as their own microhabitats. They are plant tissue which is controlled by the insect. Galls act as both the habitat a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely enclaves the country Lesotho. It is the southernmost country on the mainland of the Old World, and the second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over 60 million people, the country is the world's 24th-most populous nation and covers an area of . South Africa has three capital cities, with the executive, judicial and legislative branches of government based in Pretoria, Bloemfontein, and Cape Town respectively. The largest city is Johannesburg. About 80% of the population are Black South Afri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Rivalis
''Acacia rivalis'', commonly known as silver wattle or creek wattle, is a shrub or tree belonging to the genus '' Acacia'' and the subgenus ''Phyllodineae'' native to southern Australia. Description The obconic shrub or tree typically grows to a height of and has a bushy domed crown. The green linear lanceolate shaped phyllodes have a length of up to and a width of . The glabrous and shiny phyllodes are narrowed towards the base and have a prominent central vein. It blooms between May and November producing yellow flowers. The simple axillary inflorescences are solitary and have small spherical yellow flower-heads. The smooth, brown and linear shaped seed pods that form after flowering can be straight or curved and have a length of up to and a width of . The hard, black seeds found within the pods have an ellipsoidal shape with a length of and a width of . Distribution It is endemic to some small areas on the Flinders Range in South Australia near Hawker Hawker or Hawker ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Compass, South Australia
Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish, Cornwall, England * Mounts, Indiana, a community in Gibson County, Indiana, United States People * Mount (surname) * William L. Mounts (1862–1929), American lawyer and politician Computing and software * Mount (computing), the process of making a file system accessible * Mount (Unix), the utility in Unix-like operating systems which mounts file systems Displays and equipment * Mount, a fixed point for attaching equipment, such as a hardpoint on an airframe * Mounting board, in picture framing * Mount, a hanging scroll for mounting paintings * Mount, to display an item on a heavy backing such as foamcore, e.g.: ** To pin a biological specimen, on a heavy backing in a stretched stable position for ease of dissection or display ** To p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gall
Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or warts in animals. They can be caused by various parasites, from viruses, fungi and bacteria, to other plants, insects and mites. Plant galls are often highly organized structures so that the cause of the gall can often be determined without the actual agent being identified. This applies particularly to some insect and mite plant galls. The study of plant galls is known as cecidology. In human pathology, a gall is a raised sore on the skin, usually caused by chafing or rubbing. Causes of plant galls Insects and mites Insect galls are the highly distinctive plant structures formed by some herbivorous insects as their own microhabitats. They are plant tissue which is controlled by the insect. Galls act as both the habitat a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Cape
The Western Cape is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabitants in 2020. About two-thirds of these inhabitants live in the metropolitan area of Cape Town, which is also the provincial capital. The Western Cape was created in 1994 from part of the former Cape Province. The two largest cities are Cape Town and George. Geography The Western Cape Province is roughly L-shaped, extending north and east from the Cape of Good Hope, in the southwestern corner of South Africa. It stretches about northwards along the Atlantic coast and about eastwards along the South African south coast (Southern Indian Ocean). It is bordered on the north by the Northern Cape and on the east by the Eastern Cape. The total land area of the province is , about 10.6% of the country's total. It is roughly the size of England or the S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Longifolia
''Acacia longifolia'' is a species of ''Acacia'' native to southeastern Australia, from the extreme southeast of Queensland, eastern New South Wales, eastern and southern Victoria, and southeastern South Australia. Common names for it include long-leaved wattle, acacia trinervis, aroma doble, golden wattle, coast wattle, sallow wattle and Sydney golden wattle. It is not listed as being a threatened species,Australian Plant Name Index''Acacia longifolia''/ref> and is considered invasive in Portugal, New Zealand and South Africa. In the southern region of Western Australia, it has become naturalised and has been classed as a weed by out-competing indigenous species. It is a tree that grows very quickly reaching 7–10 m in five to six years. Description Golden wattle occurs as both a shrub or tree that can reach a height of up to . It has smooth to finely fissured greyish coloured bark and glabrous branchlets that are angled towards the apices. Like most species of ''Acacia'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trichilogaster Acaciaelongifoliae
''Trichilogaster acaciaelongifoliae'' is an Australian bud-galling wasp from the family Pteromalidae that parasitises, among others, ''Acacia longifolia'' (long-leaved wattle, or Sydney golden wattle), which has become an invasive pest An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ... in several countries. ''T. acaciaelongifoliae'' has been introduced into South Africa in 1985 and into Portugal in 2015 as a successful biological control agent of ''A. longifolia''. References External links ''Trichilogaster acaciaelongifoliae''at WaspWeb Pteromalidae Insects used for control of invasive plants Biological pest control wasps {{chalcidoidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
African Entomology
''African Entomology'' is a scientific journal published by the Entomological Society of Southern Africa Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach .... External links * {{Official website, http://journals.sabinet.co.za/ej/ejour_ento.html Entomology journals and magazines Publications established in 1993 English-language journals Biannual journals Academic journals published by learned and professional societies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Invasive Plant
An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species adversely affect habitats and bioregions, causing ecological, environmental, and/or economic damage. The term can also be used for native species that become harmful to their native environment after human alterations to its food webfor example the purple sea urchin (''Strongylocentrotus purpuratus'') which has decimated kelp forests along the northern California coast due to overharvesting of its natural predator, the California sea otter (''Enhydra lutris''). Since the 20th century, invasive species have become a serious economic, social, and environmental threat. Invasion of long-established ecosystems by organisms is a natural phenomenon, but human-facilitated introductions have greatly increased the rate, scale, and geographic range of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Pycnantha
''Acacia pycnantha'', most commonly known as the golden wattle, is a tree of the family Fabaceae native to southeastern Australia. It grows to a height of and has phyllodes (flattened leaf stalks) instead of true leaves. Sickle-shaped, these are between long, and wide. The profuse fragrant, golden flowers appear in late winter and spring, followed by long seed pods. Plants are cross-pollinated by several species of honeyeater and thornbill, which visit nectaries on the phyllodes and brush against flowers, transferring pollen between them. An understorey plant in eucalyptus forest, it is found from southern New South Wales and the Australian Capital Territory, through Victoria and into southeastern South Australia. Explorer Thomas Mitchell collected the type specimen, from which George Bentham wrote the species description in 1842. No subspecies are recognised. The bark of ''A. pycnantha'' produces more tannin than any other wattle species, resulting in its commercial culti ... [...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] |
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