Michenera artocreas in elm wood infested with scolytus multistriatus in australia d. This is an extremely small bark beetle which is found underneath the bark of elm. Guide to insect borers of north american broadleaf trees and shrubs. The banded elm bark beetle, scolytus schevyrewi semenov. Smaller european elm bark beetle, scolytus multistriatus.
Files are available under licenses specified on their description page. The larvae remained inactive throughout the winter which resumed their activity from the third week of march. Transmission of ded occurs during maturation feeding of adults on twigs of host trees. Smaller european elm bark beetle scolytus multistriatus. We also produced a highrisk list of the top 20 bark beetles which are included on the current import plant quarantine pest list that are the most likely to become established in china, and easily found ips typographus, hylurgus ligniperda, and scolytus multistriatus have a relatively high som value.
The morphology of the antennal clubs of both male and female s. On my return i decided to take that piece away and debark it. Natality is more important than mortality in the determination of the number of firstgeneration adults of scolytus scolytus f. Aspects of the feeding behavior of scolytus multistriatus. I have since learned that elm bark beetles are highly. Characterization of two nonnative invasive bark beetles. Scolytus is a genus of bark beetles subfamily scolytinae. Elm bark beetle scolytus kashmirensis is a key pest of elm nurseries in the social forestry ecosystem of kashmir. Scolytus multistriatus tunnels on an elm tree killed by dutch elm disease 2014, moscow, russia courtesy. Natality, mortality and control of the elm bark beetle. Scolytus multistriatus wy cooperative agricultural pest. All structured data from the file and property namespaces is available under the. The smaller european elm bark beetle scolytus multistriatus is a vector for the fungus dutch elm disease ceratocystis ulmi and uses ulnus spp. Since 2009, the biology and the life cycle of scolytus amygdali have been studied in tunisia.
Wolfenbarger and buchanan 1939 and whitten 1958 noted that most feeding occurred in the outer portion of the upper crown region, but offered no quantitative data. Comments accidentally introduced to north america, the smaller european elm bark beetle was first reported in canada in 1946, in ontario where its distribution area gradually expends, with the next report occurring in. It includes several species notorious for destroying trees in the forests. Scolytus multistriatus noun the noun scolytus multistriatus has 1 sense. The identification of the disseminating and inoculating agent or. Scolytus multistriatus vector of dutch elm disease. Three field studies were conducted to ascertain if pheromones are responsible in part for the aggregating behavior of scolytus multistriatus marsham. Attraction of elm bark beetles to cut limbs on elm. Scolytus multistriatus associated with dutch elm disease on. Scolytus multistriatus 4 dorsal habitus of scolytus multistriatus 5 lateral habitus of scolytus multistriatus.
Scolytus multistriatus an overview sciencedirect topics. The dutch elm disease is spread in north america by two species. Solomon research entomologist retired, southern forest experiment station, southern hardwoods laboratory, stoneville, mississippi from. Phoretic mites and nematode associates of scolytus. Scolytus multistriatus scolmuphotos eppo global database. Scolytus multistriatus marsham, the smaller european elm bark beetle, is a vector for dutch elm disease ded that in the year 2005 invaded the island of gotland sweden. Assessing the invasive risk of bark beetles curculionidae. Survey of the behavior of scolytus multistriatus on. Pupation started from the first week of april and the first. The distinctive galleries of scolytus multistriatus remain evident many years after the beetle and its resulting offspring have died, and such galleries mark virtually every single elm stump and branch left in nottinghamshire. The underside of the rear is concave, with a noticeable projection or spine. Ilya mityushev, department of plant protection of the russian timiryazev state agrarian university. Adult feeding can cause small twigs to fall from the trees.
Individually and in pairs the components were slightly attractive. The biological and morphological characters of this species were determined both in field and in the laboratory. It was brought to north america through the importation of unbarked elm logs containing live brood of the pest. Scolytus multistriatus used as a noun is very rare. The smaller european elm bark beetle, scolytus multistriatus, is dark reddish brown, shiny, and about 1 8 inch long. Observations on the relative effectiveness of scolytus multistriatus marsham and scolytus pygmaeus fabricius coleoptera. Scolytus multistriatus marsham and scolytus scolytus f.
The island possesses the largest population of elm mainly ulmus minor mill. Five years of trapping efforts for the usda aphis ppq national woodboring bark beetle. Spores of dutch elm disease fungus are introduced in these wounds. Scolytus multistriatus smaller european elm bark beetle. A revisional study of the genus scolytus geoffrey eccoptogaster herbst in north.
Attraction of elm bark beetles, scolytus multistriatus, to. Larval feeding may hasten the death of a tree but they seldom are found in. Rumba school of agriculture and forestry, university of melbourne, parkville 3052, australia michenera artocreas has been found in elm wood with scolytus multistriatus, a vector of the dutch elm disease fungus, in melbourne. Pdf scolytus multistriatus associated with dutch elm. This study was initiated to determine whether competitive displacement of s. History and management plan natural resource report nps. Smaller european elm bark beetle scolytus multistriatus marsham j. The disease occurs sporadically, how ever, in areas of new york state where this species is not known. After maturation feeding and mating in the twig feeding phase, the females attack the main tree bole where they construct a. The smaller european elm bark beetle, scolytus multistriatus, was introduced into north america during the early part of the twentieth century and is now present over much of canada and the usa. Pdf suitability of scolytus multistriatus and dendroctonus. The aim of this study was to monitor flying periods of s.
Host acceptance and larval competition in the banded. Life history and biology of the elm bark beetle scolytus. World distribution of scolytus multistriatus scolmu. Adults become covered in fungal spores upon emergence from brood material and inoculate elms. Ciesla, forest health management international, 25. Save map as png save map as svg save list as excel file save list as csv file. Scolytus multistriatus scolytidae dutch elm beetle. The species spectrum was identical and the relative abundance of mites was very similar for both species of scolytids. Survey of the behavior of scolytus multistriatus on gotland. Scolytus schevyrewi, was much more abundant than the longestablished european elm bark beetle, s. The egg galleries are straight and parallel with the grain of the wood and. In europe, while the aforementioned scolytus multistriatus again acts as vector for. Larvae are small, white grubs found under the bark of dying or dead elms.
Phoretic mites and nematode associates of scolytus multistriatus and scolytus pygmaeus coleoptera. Scolytus multistriatus noun the noun scolytus multistriatus has 1 sense 1. The elm bark beetle hylurgopinus rufipes, native to eastern and central united states, is also briefly discussed. Insects and diseases of mediterranean forest systems. Response of the european elm bark beetle, scolytus. The smaller european elm bark beetle overwinters as a larva and changes into a pupa and then into an adult in the spring. This species breeds in all species of elms and the related japanese zelkova, but dutch elm disease is primarily a problem in american elm. Fauna of new zealand, 28 extract and pdf reference page. Scolytus multistriatus scolmuoverview eppo global database. Sixty years of discovering scolytine and platypodine diversity. Genus scolytus 1scolg species scolytus multistriatus scolmu. Scolytus multistriatus associated with dutch elm disease. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Smaller european elm bark beetle nc state extension. Another potentially damaging species, the polyphagous shot hole borer, euwallacea nr. The reverse is the case for the overwintering generation. Scolytus sexualdimorphismus links weibchen, rechts mannchen. European elm bark beetle, scolytus multistriatus, and the banded elm bark beetle, scolytus schevyrewi, are the major vectors of ded in utah. Nov 22, 2019 observations on the relative effectiveness of scolytus multistriatus marsham and scolytus pygmaeus fabricius coleoptera. Michenera artocreas in elm wood infested with scolytus. Mating occurs here and then the female makes galleries in the trunk where she lays eggs. May 26, 2016 scolytus multistriatus marsham, the smaller european elm bark beetle, is a vector for dutch elm disease ded that in the year 2005 invaded the island of gotland sweden. Scolytus multistriatus, the european elm bark beetle or smaller european elm bark beetle, is a bark beetle species in the genus scolytus. History and management plan natural resource report npsncr. The adults of scolytus multistriatus, the european elm bark beetle, fly to the crowns of elm trees and bore a small hole in the twig crotches see picture at top.
An scolytus in nahilalakip ha familia nga curculionidae. Scolytus intricatus is a pest of broadleaf trees in europe and scolytus morawitzi is a pest of larch in asia. Temperature is a probable key factor for the first generation, and subcortical predators for the overwintering generation. Smaller european elm bark beetle, scolytus multistriatus host. As i removed the bark i found the piece infested with bark beetles which i later identified as scolytus multistriatus, the european elm bark beetle, a known carrier of the ded fungus. The suitability of the lesser european elm bark beetle, scolytus multistriatus marsham, and the mountain pine beetle, dendroctonus ponderosae hopkins, as hosts for the entomogenous nematode. Five years of trapping efforts for the usda aphis ppq national woodboring bark beetle survey program have. Morphology of the antennal club of scolytus scolytus f. Maternal and larval galleries of the smaller european elm bark beetle, scolytus multistriatus, w. Survey of the behavior of scolytus multistriatus on gotland in lifeelmias 202016 flight periods for the scolytus multistriatus are important information for assessing when inventory of ded should begin if, the ded infected trees is going to be identified as efficiently as possible. Laboratory bioassays two methods and field tests demonstrated synergistic action of the three components.
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