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Encarsia Lounsburyi
''Encarsia'' is a large genus of minute parasitic wasps of the family Aphelinidae. The genus is very diverse with currently about 400 described species and worldwide distribution. Noyes, J. S. 2003Universal Chalcidoidea database/ref> The number of existing species is expected to be several times higher because many species are still undescribed.Heraty, J. M., et al. (2008) Systematics and Biology of ''Encarsia''. Chapter 4, pp. 71-87 In: Gould, J., et al. (Eds), In: Classical Biological Control of ''Bemisia tabaci'' in the United States. A review of interagency research and implementation. Progress in Biological Control 4. Springer Science and Business Media B. V. 1-343. ''Encarsia'' is a very complex genus, with specimens showing both inter- and intra-specific variations, making morphological classification difficult. The adult wasps, tiny insects about 1 or 2 millimeters in size, are primarily parasitoids of sessile stages of Sternorrhyncha, in particular whiteflies (Aleyrodida ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcid Wasp
Chalcid wasps (, , for their metallic colour) are insects within the superfamily Chalcidoidea, part of the order Hymenoptera. The superfamily contains some 22,500 known species, and an estimated total diversity of more than 500,000 species, meaning the vast majority have yet to be discovered and described. The name "chalcid" is often confused with the name "chalcidid", though the latter refers strictly to one constituent family, the Chalcididae, rather than the superfamily as a whole; accordingly, most recent publications (e.g.,) use the name "chalcidoid" when referring to members of the superfamily. Most chalcid wasps are parasitoids of other insects, though other life styles are known, with the herbivorous fig wasps acting as pollinators. Various species are used as biological pest control agents or in scientific research. Description Chalcidoids are generally small wasps, averaging 1.5 mm in length and usually being less than 3 mm. The body is often metallic in colour. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Formosa
''Encarsia formosa'' is a species of chalcidoid wasp and a well known parasitoid of greenhouse whitefly, one of the first to be used commercially for biological pest control, from the 1920s. They can use at least 15 species of whitefly as a host, including ''Bemisia tabaci'' and '' Aleyrodes proletella.'' The tiny females (about 0.6 mm long) are black with a yellow abdomen and opalescent wings. This species reproduces asexually via thelytoky induced by Wolbachia infection. Males are produced only rarely. They are slightly larger than females and are completely black in coloration. Life cycle Females deposit 50-100 eggs individually inside the bodies of nymphs or pupa A pupa ( la, pupa, "doll"; plural: ''pupae'') is the life stage of some insects undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in thei ...e of the host species. The wasp larvae develop throug ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Perplexa
''Encarsia perplexa'' is a tiny parasitic wasp, a parasitoid of the citrus blackfly, ''Aleurocanthus woglumi'', which is a global pest of citrus trees. It was originally misidentified as ''Encarsia opulenta'', but was recorded as a new species in 1998. It is a native of Asia but has been introduced to many other parts of the world as a means of controlling the citrus blackfly. Distribution This wasp is a native of India and Vietnam.Silvestri F. 1927. Contribuzione alla conoscenza degli Aleurodidae (Insecta: Hemiptera) viventi su citrus in Extremo Oriente e dei loro parasiti. Boll. Lab. Zool. Portici. 21: 1-60. It has been introduced to and has established itself in Barbados, Cuba, Jamaica, Mexico, Salvador, Venezuela, the USA (Florida, Texas and Hawaii), Kenya and Oman, for the purpose of controlling citrus blackfly. Description The female is just over one millimetre long with antennae 0.8 millimetre in length. The thorax is straw coloured, the wings are transparent with a s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quadraspidiotus Perniciosus
The San Jose scale (''Quadraspidiotus perniciosus'') is a hemipterous insect in the family Diaspididae. It is an agricultural pest as it causes damage and crop losses to many fruit crops. In 1914, ''Q. perniciosus'' became the first documented case of insecticide resistance.Melander, A. L. 1914. "Can Insects Become Resistant to Sprays?" Journal of Economic Entomology. Volume 7, Number 2 Distribution This species originated in Siberia, north east China and the northern part of the Korean peninsula. It has spread to every continent except Antarctica and is a major pest of fruit trees. Arrival in the United States The San Jose scale derives its popular name from San Jose, California where Comstock discovered and named it in 1881. It has been considered the most pernicious scale insect in the United States. It was probably introduced at San Jose about 1870 on trees imported from China by James Lick. By 1890 it had spread over the greater part of California, but was not recognized ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Perniciosi
''Encarsia perniciosi'' is a tiny parasitic wasp, a parasitoid of the California red scale (''Aonidiella aurantii'') and the San Jose scale (''Quadraspidiotus perniciosus'') on citrus in California. Description ''Encarsia perniciosi'' is a tiny dark-coloured wasp, rather smaller than '' Comperiella bifasciata'', another parasitoid of scale insects. ''E. perniciosi'' is common near the coast in California, and used to be present in citrus groves inland until the introduction of '' Aphytis melinus''. The two co-exist in coastal areas but not inland, a fact that has not yet been explained. Life cycle ''Encarsia perniciosi'' is an endoparasite, the female inserting its ovipositor into a scale, either male or female, and laying an egg inside. It can use any scale stage but prefers to use second instar An instar (, from the Latin '' īnstar'', "form", "likeness") is a developmental stage of arthropods, such as insects, between each moult (''ecdysis''), until sexual maturity is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Pergandiella
''Encarsia'' is a large genus of minute parasitic wasps of the family Aphelinidae. The genus is very diverse with currently about 400 described species and worldwide distribution. Noyes, J. S. 2003Universal Chalcidoidea database/ref> The number of existing species is expected to be several times higher because many species are still undescribed.Heraty, J. M., et al. (2008) Systematics and Biology of ''Encarsia''. Chapter 4, pp. 71-87 In: Gould, J., et al. (Eds), In: Classical Biological Control of ''Bemisia tabaci'' in the United States. A review of interagency research and implementation. Progress in Biological Control 4. Springer Science and Business Media B. V. 1-343. ''Encarsia'' is a very complex genus, with specimens showing both inter- and intra-specific variations, making morphological classification difficult. The adult wasps, tiny insects about 1 or 2 millimeters in size, are primarily parasitoids of sessile stages of Sternorrhyncha, in particular whiteflies (Aleyrodid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Greenhouse Whitefly
''Trialeurodes vaporariorum'', commonly known as the glasshouse whitefly or greenhouse whitefly, is an insect that inhabits the world's temperate regions. Like various other whiteflies, it is a primary insect pest of many fruit, vegetable and ornamental crops. It is frequently found in glasshouses ( greenhouses), polytunnels, and other protected horticultural environments. Adults are 1–2 mm in length, with yellowish bodies and four wax-coated wings held near parallel to the leaf surface. Life cycle Females are capable of mating less than 24 hours after emergence and most frequently lay their eggs on the undersides of leaves. Eggs are pale yellow in colour, before turning grey prior to hatching. Newly hatched nymphs, often known as crawlers, are the only mobile immature life-stage. During the first and second nymph instars, the appearance is that of a pale yellow/translucent, flat scale which can be difficult to distinguish with the naked eye. During the fourth and final ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silverleaf Whitefly
The silverleaf whitefly (''Bemisia tabaci'', also informally referred to as the sweet potato whitefly) is one of several species of whitefly that are currently important agricultural pests. A review in 2011 concluded that the silverleaf whitefly is actually a species complex containing at least 40 morphologically indistinguishable species. The silverleaf whitefly thrives worldwide in tropical, subtropical, and less predominately in temperate habitats. Cold temperatures kill both the adults and the nymphs of the species. The silverleaf whitefly can be confused with other insects such as the common fruitfly, but with close inspection, the whitefly is slightly smaller and has a distinct wing color that helps to differentiate it from other insects. While the silverleaf whitefly had been known in the United States since 1896, in the mid-1980s an aggressive strain appeared in poinsettia crops in Florida. For convenience that strain was referred to as (biotype B), to distinguish it f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Lutea
''Encarsia'' is a large genus of minute parasitic wasps of the family Aphelinidae. The genus is very diverse with currently about 400 described species and worldwide distribution. Noyes, J. S. 2003Universal Chalcidoidea database/ref> The number of existing species is expected to be several times higher because many species are still undescribed.Heraty, J. M., et al. (2008) Systematics and Biology of ''Encarsia''. Chapter 4, pp. 71-87 In: Gould, J., et al. (Eds), In: Classical Biological Control of ''Bemisia tabaci'' in the United States. A review of interagency research and implementation. Progress in Biological Control 4. Springer Science and Business Media B. V. 1-343. ''Encarsia'' is a very complex genus, with specimens showing both inter- and intra-specific variations, making morphological classification difficult. The adult wasps, tiny insects about 1 or 2 millimeters in size, are primarily parasitoids of sessile stages of Sternorrhyncha, in particular whiteflies (Aleyrodid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encarsia Lahorensis
''Encarsia'' is a large genus of minute parasitic wasps of the family Aphelinidae. The genus is very diverse with currently about 400 described species and worldwide distribution. Noyes, J. S. 2003Universal Chalcidoidea database/ref> The number of existing species is expected to be several times higher because many species are still undescribed.Heraty, J. M., et al. (2008) Systematics and Biology of ''Encarsia''. Chapter 4, pp. 71-87 In: Gould, J., et al. (Eds), In: Classical Biological Control of ''Bemisia tabaci'' in the United States. A review of interagency research and implementation. Progress in Biological Control 4. Springer Science and Business Media B. V. 1-343. ''Encarsia'' is a very complex genus, with specimens showing both inter- and intra-specific variations, making morphological classification difficult. The adult wasps, tiny insects about 1 or 2 millimeters in size, are primarily parasitoids of sessile stages of Sternorrhyncha, in particular whiteflies (Aleyrodid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siphoninus Phillyreae
The ash whitefly (''Siphoninus phillyreae'') is a species of whitefly native to western Eurasia, India and North Africa but also introduced to North America. It is known in agriculture as a pest species of fruit trees, including pomegranates, pear and apple trees. It also feeds on ash and ornamental pear trees. ''Encarsia inaron'' is used as a biological control Biological control or biocontrol is a method of controlling pests, such as insects, mites, weeds, and plant diseases, using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also invo ... for it. References External links Invasive Species Compendium Whiteflies Agricultural pest insects Insects described in 1835 {{sternorrhyncha-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aleyrodes Proletella
The Cabbage Whitefly (''Aleyrodes proletella'') is a species of whitefly from the Aleyrodidae family. It has a global distribution. Adults are 1,5 mm in length. They have white wings with four gray spots. The wings are white due to a powdery wax. The head and thorax are dark, while the underside is yellow and also covered with a layer of wax. The eyes are red. The species is a pest on various ''Brassica'' species (mainly Brussels sprout and Kale) and ''Fragaria''. It also feeds on various wild plants, including ''Capsella bursa-pastoris''. It is found in colonies on the backside of leaves. They suck in the phloem Phloem (, ) is the living biological tissue, tissue in vascular plants that transports the soluble organic compounds made during photosynthesis and known as ''photosynthates'', in particular the sugar sucrose, to the rest of the plant. This tran ... of the leaves and pollute these by excreting honeydew, causing mold growth. There are usually four to five ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
