| 词条 | Drosicha corpulenta |
| 释义 |
|name = Drosicha corpulenta |image = Giant Scale Insect (Drosicha corpulenta) male (15535339092).jpg |image_caption = Adult male |regnum = Animalia |phylum = Arthropoda |classis = Insecta |ordo = Hemiptera |superfamilia = Coccoidea |familia = Monophlebidae |genus = Drosicha |species = D. corpulenta |binomial = Drosicha corpulenta |binomial_authority = (Kuwana, 1902) | synonyms =
}} Drosicha corpulenta is a species of giant scale insect in the family Monophlebidae, in the superfamily Coccoidea.[1] It is native to eastern Asia where it feeds on a range of trees, shrubs and non-woody plants. DescriptionThe adult female grows to a length of about {{convert|16|mm|in|1|abbr=on}} and a width of about {{convert|7|mm|in|1|abbr=on}}. The antennae and legs are black while the body colour is brown. The insect is covered with a white, cottony waxy substance which is densest on the underside.[2] The male is very different in appearance; he is much smaller, has a pair of long feathery antennae, two compound eyes, no mouth and a pair of functional wings.[3] DistributionD. corpulenta is native to eastern Asia. Its range includes Khabarovsk Krai and Primorsky Krai in the Russian Far East, the Chinese provinces of Anhui, Beijing, Fujian, Henan, Hubei, Hunan, Jiangsu, Liaoning, Nei Monggol, Shandong, Shanxi, Sichuan, Xingiang Uygur, Xizang, Yunnan and Zhejiang, as well as Hong Kong, Japan, North Korea and South Korea.[2]HostsLike other scale insects, nymphs and adult females of D. corpulenta feed by sucking sap from the host plant.[3] This species has been found feeding on plants in 30 genera in 22 families. These include a number of useful and ornamental trees and shrubs including Amelanchier asiatica, Malus prunifolia, Malus pumila, Prunus persica, Pseudocydonia sinensis, Sorbaria sorbifolia, Spiraea japonica, Castanea sativa, Castanopsis cuspidata, Lithocarpus glaber, Quercus acuta, Quercus dentata, Quercus mongolica, Quercus serrata, Acer barbinerve, Acer mono, Malvaviscus arboreus, Ficus carica and Cornus officinalis.[2] Life cycleVery few males are seen in contrast with the large numbers of females that infest the host trees. When the females are fully mature, they descend to the ground and lay their eggs in the leaf litter.[4] In Japan there is a single generation each year, with both male and female adults emerging in April and May, and egg deposition occurring a month later.[2] References1. ^{{cite journal|last1=Hodgson |first1=C.J. |last2=Hardy |first2=N.B. |year=2013 |title=The phylogeny of the superfamily Coccoidea (Hemiptera: Sternorrhyncha) based on the morphology of extant and extinct macropterous males|journal=Systematic Entomology |volume=38 |issue=4 |pages=794–804 |doi=10.1111/syen.12030 }} {{Taxonbar|from=Q10476919}}{{Coccoidea-stub}}2. ^1 2 3 {{cite web |url=http://scalenet.info/catalogue/Drosicha%20corpulenta/ |title=Drosicha corpulenta (Kuwana) 1902 |author=García, Morales M. |author2=Denno, B.D. |author3=Miller, D.R. |author4=Miller G.L. |author5=Ben-Dov Y. |author6=Hardy, N.B. |year=2016 |work=ScaleNet: A literature-based model of scale insect biology and systematics|accessdate=28 July 2017}} 3. ^{{cite web |url=https://www.rhs.org.uk/advice/profile?pid=224 |title=Scale insects |publisher=Royal Horticultural Society |accessdate=29 July 2017}} 4. ^1 {{cite web |url=https://isabellevea.wordpress.com/2014/05/27/the-giant-scale-drosicha-corpulenta-on-uncovering-its-biology-part-1/ |title=The giant scale Drosicha corpulenta: on uncovering its biology |author=Vea, Isobelle M. |date=4 May 2014 |accessdate=28 July 2017}} 3 : Monophlebidae|Insects described in 1902|Hemiptera of Asia |
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