Morphology, taxonomy, and phylogenetics of bark beetles. Files are available under licenses specified on their description page. Dendroctonus erichson is a relatively small genus 19 described species, but one with a disproportionately large impact on coniferous forests. Its name is particularly suitable dendro tree, tonus destroyer for a group that contains most of the major coniferkilling bark beetles in the world. Dendroctonus mexicanus smaller mexican pine beetle. Pdf new characters and redescription of dendroctonus. Male dendroctonus mexicanus working the pitch flow in order to keep tunnel and entrance open. It includes several species notorious for destroying trees in. Phylogeography of the bark beetle dendroctonus mexicanus hopkins. A 10 month population fluctuation of dendroctonus frontalis zimmermann 1868 and dendroctonus mexicanus hopkins 1909 is shown, in relation to an altitudinal gradient, also the variation of maximum temperature and percentage of minimum relative humidity was taken in to account, in a pine forest at durango community, zimapan, hidalgo. Dencsp this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Two species within dendroctonus frontalis coleoptera.
It includes several species notorious for destroying. Insects free fulltext cryptic species discrimination in. Correlation test between the abundance of these species was performed taken. Southern pine beetle, dendroctonus frontalis coleoptera. Hosted by the usgs core science analytics and synthesis. Female frass was placed into a plastic well underneath one of the four 5. In order to prevent any further spread of dendroctonus armandi coleoptera. Some wind a tortuous manner, crossing and recrossing the galleries made by other pairs of beetles, while others are straight and parallel to the grain of the wood.
Pdf identification of dendroctonus frontalis zimmermann and d. Scolytinae 3 diagnosis the genus dendroctonus can be distinguished from most other pine bark beetle genera by the head, which in this species is easily visible from above. Ion torrent personal genome machine sequencer thermofisher. We use pyrosequencing to characterize the gut bacterial. Pdf the mexican pine beetle, dendroctonus mexicanus. Scolytinae, in southern mexico and central america.
In most other pine bark beetle genera, the head is hidden underneath the. Male genitalia and female abdominal plates have been used as characters for distinguishing cryptic species, including economically important ones such as the southern pine beetle dendroctonus frontalis zimmermann and its sister species dendroctonus mexicanus hopkins riosreyes et al. Aug 09, 2019 hopkins of the bureau of entomology, u. This will distinguish the work of the dendroctonus beetles from that of most other groups of bark beetles. Dendroctonus mexicanus pdf new pdf download service.
Scolytidae and new reports of dendroctonus populations from mexico and guatemala. An assessment of old and new characters using traditional and. The validity of dendroctonus frontalis zimmerman, d. Analysis was carried out on 626 insects from five populations of mexico state. Dendroctonus egg galleries are always packed with boring dust, except for the portion where the parent beetles are working. Dendroctonus genus of small bark beetles destructive especially to mature conifers genus dendroctonus arthropod genus a genus of arthropods. Sc, university of victoria, 2002 thesis submitted in partial fulfillment of the requirements for the degree of master of science in natural resources and environmental studies biology. Dendroctonus mexicanus left and dendroctonus vitei right adults, respectively. Genetic structure of dendroctonus mexicanus coleoptera. However, the differentiation of these species has been extremely dif.
Results indicate that sex determination, by means of abdominal and cephalic characters is posible with 100% confidence. The morphology of sternite viii as well as that of the spermatheca of the females of dendroctonus frontalis zimmermann and d. Molecular phylogenetics andevolution 49 2008930940 phylogeography of the bark beetle dendroctonus mexicanus hopkins coleoptera. This page was last edited on 20 december 2019, at 09. Peeling off a portion of infested bark to reveal the winding pattern of the beetle galleries tunnels chewed by adults and larvae is a good way to identify individual beetle species. Dendroctonus definition of dendroctonus by the free dictionary. It occurs in the southern and southeastern united states, extending as far west as arizona and as far south as central america. Dendroctonus adults work in pairs, boring through the bark and then extending an egg gallery between the bark and wood.
Dendroctonus erichson is a relatively small genus, but one with a disproportionately large impact on coniferous forests. We do not use these to store personal information about you. Scolytidae, it is important to clarify its geographic distribution in china. Annals of the entomological society of america 12 p. Dendroctonus mexicanus dencmeoverview eppo global database. Three subspecies exist that correspond to the subspecies of douglasfir. Dendroctonus murrayanae, the lodgepole pine beetle, is a species of crenulate bark beetle in the family curculionidae. The southern pine beetle, dendroctonus frontalis zimmerman coleoptera. Dendroctonus definition is a genus of small bark beetles that are especially destructive to mature coniferous trees and that have a large prothorax, short clubbed elbowed antennae, serrated tibiae, and spiny elytra. The mountain pine beetle, dendroctonus ponderosae hopkins, is the most serious insect pest of western north american pine forests. Dec 26, 2019 phylogeography of the bark beetle dendroctonus mexicanus hopkins coleoptera.
Bark beetles in the genus dendroctonus b 379 setae equipped with projections pointed backward to the base, or away from the point that cause them to remain imbedded once contact with them is made. Influence of climatic parameters on the population. Dendroctonus adjunctus blandford other scientific names. Dendroctonus micans in britain its biology and control.
A new species of bark beetle, dendroctonus mesoamericanus sp. In this study, we examine the hypothesis that the population genetic structure of d. A new species of bark beetle, dendroctonus mesoamericanus. Pdf the morphology of sternite viii as well as that of the spermatheca of the females of dendroctonus frontalis zimmermann and d.
Genetic heterogeneity in a cyclical forest pest, the southern. Page designed through the cooperative efforts of interagency itis teams. Discrimination of odors associated with conspecific and. A high proportion of loci were out of hwe by homozygous excess, which may be explained by multiple factors.
Its name is particularly apt dendro tree, tonus destroyer for a group that contains most of the major coniferkilling bark beetles in the world. The role of dendroctonus valens and its vectored fungi in the mortality of ponderosa pine. For more information on these new species, including illustrations to help you identify them, see the usda forest service pamphlet, invasive bark beetles pdf. The main characteristic of sternite viii is the shape and sclerotization of their central ridge, more sclerotized and with better defined borders in d. Dendroctonus mesoamericanus mesoamerican pine beetle. Species distribution models were used to identify the variables influencing the distribution of d. Dendroctonus pseudotsugae, the douglasfir beetle, is a species of bark beetle found in western north america. New characters and redescription of dendroctonus vitei. Phylogeography of the bark beetle dendroctonus mexicanus hopkins coleoptera.
Curculionidae is an economically important pest species throughout the southeastern united states, arizona, mexico, and central america. The mexican pine beetle xpb dendroctonus mexicanus, is recorded here for the first time as a new introduction for the united states us. Phenetic and phylogenetic relationships among ten species of. Gut bacterial communities of dendroctonus valens and d. This genus comprises 20 species found in north and central america, and eurasia. Red turpentine beetle and western pine beetle adults usually pack about 60% of their egglaying galleries with a sawdustlike boring dust called frass, whereas. The first species has a wide distribution in north and central america, where it is a parasite of stumps or trees of more than 40 pine species 39,40, while the. The biology of these new invaders is poorly understood. Proceedings of the eec seminar on the biological control of bark beetles dendroctonus micans, brussels, belgium, 8797.
Several studies have documented the microbiota associated with these bark beetles, but little is known regarding how the gut bacterial communities change across host range distribution. Dendroctonus definition is a genus of small bark beetles that are especially destructive to mature coniferous trees and that have a large prothorax, short clubbed. Individuals of xpb and its sibling species, the southern pine beetle spb dendroctonus frontalis, were found infesting the same logs of chihuahua pine, pinus leiophylla var. The ability of several members of the genus to develop outbreaks and the strong response of several species to. Forestry department food and agriculture organization. Its name is particularly suitable dendro tree, tonus destroyer for a. Dendroctonus definition of dendroctonus by merriamwebster. Coleoptera, dendroctonus, sex determination, externalcharacters. Dendroctonus bark beetles are a worldwide significant pest of conifers.
Phenetic and phylogenetic relationships among ten species. Stock department of forest resources, university of idaho, moscow, idaho 83843 ann. Thus, in the state of queretaro, the behavior of populations of species dendroctonus frontalis and dendroctonus mexicanus in an altitudinal gradient of approximately 800 m was determined, during the warmer months april, may and june. Identification of dendroctonus frontalis zimmermann and. Semiochemicals of dendroctonus mexicanus, the mexican pine beetle. Dendroctonus bark beetles comprise 20 taxonomically recognized species, which are one of the most destructive pine forest pests in north and central america, and eurasia. Illustrated key to species of genus dendroctonus coleoptera. Some wind a tortuous manner, crossing and recrossing the galleries made by other pairs of beetles, while others are straight and parallel to. Phylogeography of the bark beetle dendroctonus mexicanus. Draft genome of the mountain pine beetle, dendroctonus. All structured data from the file and property namespaces is available under the creative commons cc0 license. Dendroctonus mexicanus is polyphagous within the pinus genus and has a wide geographical distribution in mexico and guatemala, we examined the pattern. Treatments evaluated in the experiment of verbenone. A tenmonth monitoring showed that only six parameters temperature.
Consultation on the red turpentine beetle, dendroctonus valens, in shanxi province, pr china, july 17, 2001. Dendroctonus mexicanus hopkins north and central america dendroctonus micans erichson europe and asia. Genetics genetic structure of dendroctonus mexicanus. Pdf new characters and redescription of dendroctonus vitei. Nine compounds identified from captured volatiles of the douglasfir beetle, dendroctonus pseudotsugae, the mountain pine beetle, d. Seleccionar brotes con 10 a 100 arboles infestados.
New molecular tools for dendroctonus frontalis coleoptera. Pseudips mexicanus hopkins is a secondary bark beetle native to western north and central america that attacks most species of pine pinus l. Dendroctonus brevicomis is a member of the dendroctonus frontalis species complex, which is composed of d. Continuing to use this website means you agree to our use of cookies. General information about dendroctonus mexicanus dencme this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Zoology and wildlife conservation biological sciences bark beetles global temperature. Report prepared for usda forest service international programs.
Dendroctonus ponderosae hopkins, 1902 is a destructive pest of pine trees keeling et al. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Scolytinae, molecular phylogenetics and evolution on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The rearing of rhizophagus grandis and its release against dendroctonus micans in the united kingdom. Pdf the bark beetle dendroctonus mesoamericanus sp. Dendroctonus synonyms, dendroctonus pronunciation, dendroctonus translation, english dictionary definition of dendroctonus. A recent outbreak destroyed more than 15 million hectares of pine forests, with major environmental effects on forest health, and economic effects on the forest industry. Phenetic and phylogenetic relationships among ten species of dendroctonus bark beetles coleoptera. Individuals of xpb and its sibling species, the southern pine beetle spb dendroctonus frontalis. Pdf the mexican pine beetle xpb dendroctonus mexicanus, is recorded here for the first time as a new introduction. Dec 01, 2008 read phylogeography of the bark beetle dendroctonus mexicanus hopkins coleoptera. Maps automatically open at the center of the plotted points and the scale is set to adjunctud all map points.
The declivity of the elytra is excavated and each side is denroctonus with four short acute teeth. Revealing the gut bacteriome of dendroctonus bark beetles. Oct 24, 2017 dendroctonus bark beetles comprise 20 taxonomically recognized species, which are one of the most destructive pine forest pests in north and central america, and eurasia. Southern pine beetle, dendroctonus frontalis zimmermann, is a major native pest of pine trees in the south. The goods coverage index values were greater than 97% in all locations of both bark beetles table1. Dendroctonus frontalis, the southern pine beetle spb is one of the most destructive pests of pines in the southern united states, mexico, and central america. Scolytinae and dendroctonus mexicanus hopkins is supported by biological and morphological data. California now has 20 invasive species of bark beetles, of which 10 species have been discovered since 2002. Bark beetles of the genus dendroctonus are the most common and damaging pests of native conifer forests in mexico. It includes several species notorious for destroying trees in the forests of north america. The case of dendroctonus parallelocollis chapuis and.
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