Read Papers on Coccid� or Scale Insects: An Index to Catalogues of Recently Described Coccid� Included in Technical Series Nos. 12 and 16 (Classic Reprint) - E.R. Sasscer | ePub
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The status and future of scale insect (Coccoidea) systematics - HARDY
Papers on Coccid� or Scale Insects: An Index to Catalogues of Recently Described Coccid� Included in Technical Series Nos. 12 and 16 (Classic Reprint)
Phylogeny and higher classification of the scale insects (Hemiptera
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The most serious coccoidea pest of coconut is the diaspidid, aspidiotus destructor, whose outbreaks in several coconut growing countries have previously threatened their copra industry (chua and wood, 1990).
Faunistic studies papers treating the scale insects of fruit trees from north.
The present paper updates cermeli's 1990 list of venezuelan aphid fauna, we emphasize on the origin and world distribution of the species.
Now that you know what the scale pest is capable of, let’s go over some ways of getting rid of them. They can be tricky to combat, because it depends on which type of scales you have. Soft scales secrete large amounts of honeydew, which can cause the growth of sooty mold.
Nov 16, 2018 shellac is made from the secretions from coccids called lac scales. Scale insects and their waxy secretions have also been used in various.
Journal of insect (2002) disruption of parasitism of the california red behavior 8, 653–670. (1954) studies on the association of the ant oecophylla (hymenoptera: formicidae).
Jul 25, 2017 however, a single ant genus associates with armoured scale insects for melissotarsus emeryi ants and armored scale insects (diaspididae).
Jan 22, 2016 scale insects (hemiptera: coccoidea) associated with avocado crop, primarily devoted to insect systematics, but articles can be published on any dae) have been found feeding on the coccid nymphs (kondo 2010).
Original research paper patra scale insect (coccid) saissetia (homoptera: fertile frond infested with scale insect.
Many years ago i was an industrious collector of scale insects and mealy-bugs, especially in jamaica. I found them in great abundance on cultivated plants, and obtained many species. When recently travelling in the oriental tropics, i was struck by the relative scarcity of these insects, and the occurrence of various well-known injurious forms only in small patches or isolated individuals.
Sition of aqueous extracts of the five scale insect species have been published elsewhere [14]. In the present paper, the method of identifying each species from a dyed wool sample, involving the distinction between dactylopius coccus, por-phyrophora polonica and porphyrophora hamelii, is described.
San jose scale and its nearest allies,a and, through the smithsonian institution, papers on the food plants of scale insects,b directions for collecting and preserving scale insects,c and geographical distribution of scale insects.
Interpretive summary: scale insects cause several billion of dollars in major costs. N this paper examines the species of scale insects that form galls on plants for other coccoid families, the gall-inducing taxa are scattered amon.
The scale insects described in this paper were collected from coccids are very abundant in cretaceous new jersey amber, being the most numerous animals.
Coccid insect - scale insects and mealybugs homopteran, homopterous insect - insects having membranous forewings and hind wings coccoidea, superfamily coccoidea - scale insects and mealybugs scale insect - small homopterous insect that usually lives and feeds on plants and secretes a protective waxy covering mealy bug, mealybug.
We undertook phylogenetic analysis of nuclear dna to elucidate species boundaries in the symbiotic coccus scale insects associated with mutualistic crematogaster ants and macaranga plants occurring.
Mar 31, 2015 today there are many species of scale insects, most of which are essays on coccids (hemiptera: coccinea).
Approximately 16,000 species are described within the sternorrhyncha suborder and 7,500 out of that number are scale insects.
This review surveys the literature dealing with food relationships of coccidophagous, aleurodophagous and psyllophagous coccinellids. While in the cold temperate climate aphids are the dominant prey group (68% of ladybird species), globally, coccids are the dominant prey group of 36% of coccinellid species, and only 20% prey primarily on aphids.
Also, lebanese coccid inclusions are known to occur (or may occur being not recognized) in various collections, but are not accessible for study, thus the present paper is thought as the first contribution to the knowledge of fossil scale insects in the lower cretaceous middle east amber.
R ( ernest ralph ) sasscer and united states -- bureau of entomology abstract.
Fifteen species of parasitoids emerged from 6 species of scale insects, all are recorded for the first time paper, which then were covered with plastic film and incubated in an a total of 20 coccoid/hymenopteran parasitoid associa.
Feb 18, 2019 mealybugs are small insect vectors of viruses attacking plants and are transmitted from vine to vine by pseudococcids and coccids scales.
The preparation of a catalogue of this character requires great vigilance and constant attention to the voluminous literature of entomology, in order that every reference to coccide be noted.
The appearance of soft scales in the field is highly variable depending on the group. The body shape is frequently round or broadly oval but some are elongate, especially grass infesting species; they can be nearly flat or highly convex in lateral view. Wax coverings are thin and transparent, filamentous or powdery, thick and opaque, or even.
Scale insects synonyms, scale insects pronunciation, scale insects translation, english dictionary definition of scale insects. Any of various small plant-feeding insects of the superfamily coccoidea that secrete a waxy substance covering the body and are often agricultural pests.
During recent visits to singapore and hong kong, the second author collected samples ofthree noteworthy scale insects. The first, aulacaspisyasumatsuitakagi, is now a recognised diaspid pest of cycads. Yasumatsui are rendered highly visible because both the female and male.
Chaves at ponta delgada, azores, attacking the foliage of the orange tree. The insect proved to be new, and was described as lecanium perlatum. Since that time it has never been reported from any other place; but now i have received some large, flat, dark brown scales on orange leaves from villa encarnacion, paraguay.
Theinsects referred to in this paper were collected in various parts of africa.
There is little information on the distribution and pest status of soft scale insects (hemiptera: coccoidea: coccidae) in vineyards in australia despite the potential of this group to spread ampeloviruses and directly damage vines. A survey of coccid species in the main vineyard regions was therefore undertaken.
Soft scale insects is intended to be a further step towards providing comprehensive information on soft scale insects. Four or five decades ago, entomologists embarking on a study on soft scale insects would have encountered a scarcity of general text books or comprehensive treatise of the family, as a starting point for their research.
Diazinon-registered for the control of scale insects on arborvitae, azalea, birch, boxwood lich (1934) states, the insect is a typical coccid, with oviparity, motile.
This paper is aimed to revise, update and unify coccid terminology, and to compare the significance of some terms with analogous ones in other groups of insects. In this paper we shall discuss the basic terminology for (1) genetic systems, (2) partheno-genesis, (3) strategy of birth and (4) “dizygotic” development of scale insects.
Regarding the ecology of extant representatives of coccidae, this mammal was a likely foliage consumer, and the abundant juglandaceae and/or tiliaceae from le quesnoy might have lived parasit-ized by scale insects. These early eocene parasites had an already well-established dissemination strategy, with prevalent minute first-instar larvae.
Most plant-ants cultivate mealybugs (pseudococcidae) and/or soft scale insects ( coccidae, or coccids) within the cavities of the myrmecophyte host (longino.
Aug 6, 2014 only a few specialists in the world can identify scale insects based on morphology. This paper was written following the outlines for data papers mcconnell hs (1954) a classification of the coccid family aclerdidae.
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