RF2HWJR4J–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RMF00AMM–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on deadwood, Germany
RM2G7JWE7–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RMT80714–Redbay Ambrosia Beetle
RMEBNBN9–bark beetles, engraver beetles & ambrosia beetles, timber beetles (Scolytidae, Ipidae), breeding burrows in wood, Germany, North Rhine-Westphalia, Bergisches Land
RF2T0FR4B–White sawdust or frass tubes from Ambrosia beetle on tree trunk. Signs of wood borer insect infestation or bark beetle pest on Douglas fir tree. North
RMEBNE0R–Bark beetle (Ips cf. sexdentatus), on deadwood, Germany
RF2J07TT5–The European spruce bark beetle - Ips typographus
RM2B0T1YT–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on wood, Germany
RMT630H5–Polyphagous shot hole borer beetle trap in a park in Orange County, Southern California, USA
RM2AA9N5B–A scanning electron microscope image of a redbay ambrosia beetle antenna.
RFTAACMY–Closeup macro of bright red aphids (possibly brown ambrosia aphids) on a green plant stem in Governor Knowles State Forest in Northern Wisconsin
RMK13B3R–Ambrosia beetle
RMT8071F–Beetle Antenna
RF2C09484–Dead trees in the middle of Great Jizera Plain, Jizera Mountains, Czech Republic
RFDCDM3K–Plesne lake
RF2H7RXNC–Close-up of woodworm in a beam of wood.
RMAGE8B9–Photomicrograph of ambrosia bark beetles Xyleborus sp. in gallery in dead tree wood
RFHNRK5A–Winter forest destroyed by bark beetles during the sunset
RF2HWJR4T–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RMHA859K–usdagov 8411820043 d2634-10
RM2G7JWEH–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RF2B198A4–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RM2K16HH5–Ambrosia Beetle (Xyleborus planicollis) isolated on white background.
RF2T0FR60–White and orange sawdust on tree trunk from wood borer insect or bark beetle pest. White sawdust is from ambrosia beetle, orange from douglas fir beet
RF2T0FR0D–Orange and white sawdust on tree trunk from wood borer insect or bark beetle pest. Orange from Douglas fir beetle, white sawdust is from ambrosia beet
RM2B0T430–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on wood, Germany
RF2HYTDCF–The European spruce bark beetle - Ips typographus
RM2DAGXM9–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on bark, Germany
RFTAACMT–Closeup macro of bright red aphids (possibly brown ambrosia aphids) on a green plant stem in Governor Knowles State Forest in Northern Wisconsin
RMF00GHN–Greater ash bark beetle (Hylesinus crenatus), on wood, Germany
RMP5RHD6–N/A. English: An illustration from British Entomology by John Curtis. Coleoptera: Platypus cylindrus (Cylindric Ambrosia Beetle). 1840s. John Curtis (1791–1862) Alternative names Curtis; J. Curtis Description British entomologist and illustrator Date of birth/death 3 September 1791 6 October 1862 Location of birth/death Norwich, Norfolk London Work location London Authority control : Q327944 VIAF:53707224 ISNI:0000 0000 7374 6250 LCCN:no89015596 Open Library:OL2514429A Oxford Dict.:6959 WorldCat 237 Britishentomologyvolume2Plate51
RMA44KE0–bark beetle borings
RM2AWJAD2–Annual report . atus Chap. Numbers of this CentralAmerican borer were taken last August on Panama logs which hadbeen shipped around the Horn and were then in the lumber yard atAstoria. The beetles were coming out in large numbers and attack-ing freshly sawn sappy mahogany in theyards, running longitudinal and, in someinstances, vertical galleries into the wood.It was estimated that the injury in earlyAugust was as high as $200 a day. An-other Ambrosia beetle, namely, X y 1 e -borus torquatus Eich., was alsotaken in some numbers on the mahoganylogs. With the above were associatedspecies of A u
RMBCYGHB–bark beetles trap with bait / Scolytidae ( Ipidae)
RF2HWJR12–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RMHA85C4–usdagov 8412918424 d2637-5
RF2B198CT–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RM2K16HH6–Ambrosia Beetle (Xyleborus planicollis) isolated on white background.
RMPFFAGM–. Defects in timber caused by insects. Wood; Forest insects. DEFECTS IN TIMBER CAUSED BY INSECTS 11 stained, or with short streaks in the surrounding wood; these holes run deeply in every direction in an irregular manner through the wood, and it is difficult to determine their extent from the surface. The}7 are termed "pinholes," "shot holes," or "black holes" (36). Such holes occur in both the sapwood and heartwood of softwoods and hardwoods, but are more common in the sapwood. One of the commonest defects (fig. 1) is caused in living trees by an ambrosia beetle,
RM2X57X0P–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RM2X4ETFN–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RF2HYX8D1–The European spruce bark beetle - Ips typographus
RM2X3B01K–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RMF00GHT–Black spruce beetle, Bark beetle (Hylastes cunicularius), on wood, Germany
RMMAA21W–. Eastern forest insects . COURTESY OF DUKE UNIV. SCH. OF FOREST. Figure 101.—Tunnels of the ambrosia beetle, Xyleborus xylographus, in the wood of a shortleaf pine. 271
RMF004R7–six-dentated bark beetle (Pityogenes chalcographus), burrows in wood
RM2AJE4MK–Annual report . e practic- ambrosia ^ beetle aliy free from injury. Doctor Hopkins points (natural size, origi- ^ ^ ^ ^^ attacked b thJs beetknal) succumb, since he has found galleries of this species deeply imbedded in growing wood, an indication of infesta-tion years before. This is probably true of only the slighter in-festations and does not necessarily apply to rhododendrons. Food plants. This borer has been found in sugar maple (Acersaccharum), sassafras, dogwood (Cornus), water-beech (Car-pinus), ironwood (Ostrya), hazel (Corylus), huckleberry (Gay-lussacia resinosa), and Rhododendron.
RMEBNE0N–Bark beetle (Ips cf. sexdentatus), on deadwood, Germany
RMTRDTFW–large elm bark beetle, elm bark beetle, larger European bark beetle (Scolytus scolytus), borrows in dead wood, Germany
RF2HWJR0Y–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RM2B0T433–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on wood, Germany
RM2CFPGWC–Norway spruce (Picea abies), dead spruce forest caused by dryness and bark beetle, Zoom, Germany, North Rhine-Westphalia
RF2B198BH–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RMF00AMW–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on wood, Germany
RMPFFAHB–. Defects in timber caused by insects. Wood; Forest insects. Fig. 7.—Pinholes caused by ambrosia beetles in heading and tight cooperage in South Carolina. Fig. 8.—Pinholes in green hickory lumber caused by an ambrosia beetle (Xyle- borus xi/lographus) galleries. Injury to green heartwood stock and to partly seasoned stock of such woods as hickory and cypress in many cases does not produce the stain. These holes are always open (never filled with dust), and are either clear or black and associated with discolored streaks or stains 38252°—27 2. Please note that these images are extracted from sc
RF2HYPMT0–The European spruce bark beetle - Ips typographus
RM2X3B01H–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RMMAA21Y–. Eastern forest insects . COURTESY OF DUKE UNIV. SCH. OF FOREST. Figure 99.—Tunnels of the ambrosia beetle, Trypodendron scabricollis, in wood of the lower bole of a loblolly pine. Trypodendron retusum (LeC), the largest of the eastern species, attacks poplars and paper birch throughout the Northern States and southern Canada. It has also been recorded from West Virginia and several Western States. Adults are from 3.8 to 4.6 mm. long; the pronotum is broadly emarginate in front; and there is a broad, smoky yellow stripe on each elytron. T. betulae Swaine occurs throughout the Northern States
RM2AFP9MX–. A manual of dangerous insects likely to be introduced in the United States through importations. Dept. Agr., Bui. 93, 1911, pp. 35-40. Figs. 4, 5. 202 A MANUAL OF DANGEROUS INSECTS. Xyleborus perforans WoUaston.(Sugar-Cane Ambrosia Beetle. Scolytidse; Coleoptera.) Hosts: Sugar cane, a polyphagous insect breeding in many kinds of wood. Injury: Is very injurious to sugar cane in Java. As it bores in the stalks it can easilybe transported in shipments of seed cane. Description and biology: Adult weevils about 2 mm. long, cylindrical, without snouit,the head completely concealed from above. Pupa
RF2HWJR0T–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RF2B198B4–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RMF00AMY–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), in a burrow, Germany
RM2DAGX74–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), on deadwood, Germany
RM2DH824F–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), dead spruce forst caused by the bark
RM2X3B01F–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RF2HYW76Y–The European spruce bark beetle - Ips typographus
RM2X35751–Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RM2X4ETFP–Posterior view of Euwallacea validus, an ambrosia beetle native to Asia, adventive in North America.
RM2AJE6BT–Annual report . te grubs and June beetles.... 24 Spotted hemlock borer . 26 White pine weevil 30 Hickory bark borer 33 Pitted ambrosia beetle 36 Cactus midge 39 Injurious insects {continued) page Banded grape bug 41 Use of miscible oils on trees 45 Larger sugar maples and miscible . oils 45 Signs of oil injury 46 Notes for the year 48 Fruit tree pests 49 Shade tree pests 56 Forest tree pests 61 Miscellaneous insects 64 Publications of the entomologist.. 68 Additions to collections 72 Appendix: A study of gall midges II 79 Explanation of plates 212 Index 247 The University of the State of New Y
RM2JRR9G3–Xyleborus pubescens, a bark beetle which attacks pine (Pinus spp.) trees, isolated on white background.
RF2HWJR17–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RF2B1989E–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RM2DH840T–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), dead spruce forst caused by the bark
RMRFR33D–. Protecting log cabins, rustic work, and unseasoned wood from injurious insects in the eastern United States. Forest insects; Wood Preservation. F-480474 Figure 3.—An adult ambrosia beetle (Xyleborus sp.) The food of these beetles is not the wood but a substance called "ambrosia," which is a coating formed of a minute fungus that is propagated by the beetles them- selves. It is this coating that stains the walls of their tunnels black. The damage by these bor- ers is caused almost entirely by the adult beetles, since the larvae of most species, until they change to adults, do not bo
RM2JRR9G2–Xyleborus pubescens, a bark beetle which attacks pine (Pinus spp.) trees, isolated on white background.
RF2HWJPWB–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RF2B198DH–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RM2DH82MW–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), dead spruce forst caused by the bark
RMTRDY7H–reforestation after bark beetle infestation on Lusen mountain, Germany, Bavaria, Bavarian Forest National Park
RMTRDY6T–reforestation after bark beetle infestation on Lusen mountain, Germany, Bavaria, Bavarian Forest National Park
RM2JRR9G1–Xyleborus pubescens, a bark beetle which attacks pine (Pinus spp.) trees, isolated on white background.
RM2B01REJ–forest damage caused by dryness and bark beetle infestation, Germany, Lower Saxony, Harz National Park
RMRHK5KA–. The biology of insects. Insects -- Biology. 220 THE BIOLOGY OF INSECTS galleries, and the grubs when hatched *' wander about in the passages (Fig. 58, P) and feed in company upon the ambrosia which grows here and there upon the walls." Probably each kind of ambrosia beetle " grows its own peculiar fungus in a pure culture," and each female starts a new culture for her offspring by carrying away from the cradle or passage in which she was herself reared a mass of. Fig. 58,—Galleries of Ambrosia Beetles. Platypus (P) and Gnatho- trichus (G) in pine trunk. North America. The smal
RF2HWJR1D–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RMF004RA–Spruce bark beetle, European Spruce Bark Beetle, Engraver beetle, Common European engraver (Ips typographus), damage
RM2AYJACB–forest damage caused by dryness and bark beetle infestation, Germany, Lower Saxony, Harz National Park
RF2B198BX–Deciduous oak forests infested drought dry and attacked by the European bark beetle pest Xyleborus monographus ambrosia, Scolytus intricatus
RM2JRR9G8–Xyleborus pubescens, a bark beetle which attacks pine (Pinus spp.) trees, isolated on white background.
RMRE528H–. Eastern forest insects. Forest insects. i^^ Trypodendron scabricollis (LeC.) occurs from New York to North Carolina and Mississippi and breeds in various species of pine and hemlock. The trunks (fig. 99) and larger limbs of weakened and dying pines are preferred, but freshly cut lumber is also subject to attack and serious damage. Adults are reddish- brown and from 3 to 3.5 mm. long. The elytra are smooth and finely striate.. COURTESY OF DUKE UNIV. SCH. OF FOREST. Figure 99.—Tunnels of the ambrosia beetle, Trypodendron scabricollis, in wood of the lower bole of a loblolly pine. Trypodendron
RF2HWJR46–Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Curculionidae formerly Platypodidae.
RF2HEJ3H2–Ambrosia beetle - beetle from family Platypodinae from the top and side. Isolated on a white background.
RM2B0AB9N–forest damage caused by dryness and bark beetle infestation, Germany, Lower Saxony, Harz National Park
RM2F685X0–Cutting deforestation, logging cut industry pile timber of felled wood branches, stump and newly new planted planting growing trees seedling making
RMEBNNCG–bark beetles, engraver beetles & ambrosia beetles, timber beetles (Scolytidae (Ipidae)), aerial view to infestation area in a still intact spruce forest, Czech Republic, Boehmerwald
RMF00C9K–Norway spruce (Picea abies), dead Norway spruce forst killed by bark beetle, Germany, Bavaria, Bavarian Forest National Park, Lusen
RM2CFPFPP–Norway spruce (Picea abies), dead spruce forest caused by dryness and bark beetle, Germany, North Rhine-Westphalia
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