Trichiosoma Stock Photos and Images

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Trichiosoma Stock Photos and Images

Grosse Pelzblattwespe ( Larve )Trichiosoma lucorum Stock Photo

RM2JM99JB–Grosse Pelzblattwespe ( Larve )Trichiosoma lucorum

Sawfly (Trichiosoma triangulum) on white background, Glacier National Park, Browning, Glacier County, Montana, USA, July. Stock Photo

RMW7X2HA–Sawfly (Trichiosoma triangulum) on white background, Glacier National Park, Browning, Glacier County, Montana, USA, July.

Hawthorn Sawfly, Trichiosoma lucorum showing the large wing cells typical of the order. Stock Photo

RMBNXHKW–Hawthorn Sawfly, Trichiosoma lucorum showing the large wing cells typical of the order.

hawthorn sawfly (Trichiosoma tibiale), portrait Stock Photo

RMAWX4N2–hawthorn sawfly (Trichiosoma tibiale), portrait

RFRYT2X4–Hawthorn sawfly

Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc Stock Photo

RF2TAJ62F–Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc

Ichneumon wasp emerging from host pupa Stock Photo

RFT75CNT–Ichneumon wasp emerging from host pupa

Forest entomology . as a typeof the other species. Trichiosoma tibialis (Steph.) This species is generally attached to hawthorn, and the pupalcocoons may generally be found on the twigs of switched hedges,more especially on twigs nearthe base of the hedge. Asa rule, however, the cocoonsare opened by insectivorousbirds. The collector, there-fore, should try as far aspossible to gather thesecocoons in the early autumn,and place them in a jar forhatching purposes. When Fig. 160.-Trichiosoma tibialis, this is done, the flies are very easily reared, and they hatch out from the middle of March tothe Stock Photo

RM2ANCTBY–Forest entomology . as a typeof the other species. Trichiosoma tibialis (Steph.) This species is generally attached to hawthorn, and the pupalcocoons may generally be found on the twigs of switched hedges,more especially on twigs nearthe base of the hedge. Asa rule, however, the cocoonsare opened by insectivorousbirds. The collector, there-fore, should try as far aspossible to gather thesecocoons in the early autumn,and place them in a jar forhatching purposes. When Fig. 160.-Trichiosoma tibialis, this is done, the flies are very easily reared, and they hatch out from the middle of March tothe

RFT127CR–Cimbicid sawfly larvae

RMBNXHDN–Hawthorn Sawfly, Trichiosoma lucorum showing the large wing cells typical of the order.

RF2RCDD57–Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc

. British insects : a familiar description of the form, structure, habits, and transformations of insects. the Wood-borers it is a sort of auger. They are also to be easilyFig. 48. distinguished by the form of the lip (labium), which is trifid inthe Sawflies, simple in theWood-borers, The tibia of thefore-leg in the Sawflies has twospurs, in the Wood-borers one.These insects vary also in the form and proportion of theLabium of Sawfly—Trichiosoma. ,, thorax. Division I.—The Sawflies.—The Sawfly, or Ten-thredo* (Pl.VI., fig. 1) is amongst the most easily recog-nised of insects, its form and gene Stock Photo

RM2AG19F2–. British insects : a familiar description of the form, structure, habits, and transformations of insects. the Wood-borers it is a sort of auger. They are also to be easilyFig. 48. distinguished by the form of the lip (labium), which is trifid inthe Sawflies, simple in theWood-borers, The tibia of thefore-leg in the Sawflies has twospurs, in the Wood-borers one.These insects vary also in the form and proportion of theLabium of Sawfly—Trichiosoma. ,, thorax. Division I.—The Sawflies.—The Sawfly, or Ten-thredo* (Pl.VI., fig. 1) is amongst the most easily recog-nised of insects, its form and gene

RFT127CJ–Cimbicid sawfly larvae

RMBNXH9C–Hawthorn Sawfly, Trichiosoma lucorum showing the large wing cells typical of the order.

RF2RFCDJJ–Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc

Annual report . in May. It is probable that a whale oil soap solu-tion, using 1 pound to 4 gallons of water would be equally satisfac-tory. In either event the spray should be coarse and forcible soas to drive the insecticide through the woolly protective matter andbring it into contact with the underlying insect. MISCELLANEOUS Hawthorn sawfly 1 Trichiosoma tibialis Steph.). Acocoon of this European species was received April 10, 1911 throughthe State Department of Agriculture. The specimen was removedfrom Crataegus which had been imported from Holland. The adult was reared and the provisional Stock Photo

RM2AWJA83–Annual report . in May. It is probable that a whale oil soap solu-tion, using 1 pound to 4 gallons of water would be equally satisfac-tory. In either event the spray should be coarse and forcible soas to drive the insecticide through the woolly protective matter andbring it into contact with the underlying insect. MISCELLANEOUS Hawthorn sawfly 1 Trichiosoma tibialis Steph.). Acocoon of this European species was received April 10, 1911 throughthe State Department of Agriculture. The specimen was removedfrom Crataegus which had been imported from Holland. The adult was reared and the provisional

RFT127CF–Cimbicid sawfly larvae

RFRYT2X9–Hawthorn sawfly

RF2RMN24W–Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc

$. Die Insektenwelt : ein Taschenbuch zu entomologischen Exkursionen für Lehrer und Lernende . schwarz oder (W.) Hinterleib mehr minder gelb od.rot; Fühler un-ter der gelbenKolbe fünfglie-drig; Hiuter-Tr7=^ <? ?^^^^^^r^cCrS^ Schenkel des M. ^^5^;^!^^ /^i i^^^^ keulenförmig, -/ ß zm Ö ^ Larve bis 24 lang, raupen-ähnlich , grünmit schwarzemRückenstreif und scharfenDornwärzchen, im Aprilauf Weiden, Erlen, Birken;»rollt sich zusammen und.spritzt, berührt, aus denKörperseiten einen Saft aus.(Fig. 119, Larve.) 2. C. {Trichiosöma) lucörum F., 24; mattschwarz, gelb-braunhaarig; Fühler mitten gelbbr Stock Photo$

RM2CE1NFM–. Die Insektenwelt : ein Taschenbuch zu entomologischen Exkursionen für Lehrer und Lernende . schwarz oder (W.) Hinterleib mehr minder gelb od.rot; Fühler un-ter der gelbenKolbe fünfglie-drig; Hiuter-Tr7=^ <? ?^^^^^^r^cCrS^ Schenkel des M. ^^5^;^!^^ /^i i^^^^ keulenförmig, -/ ß zm Ö ^ Larve bis 24 lang, raupen-ähnlich , grünmit schwarzemRückenstreif und scharfenDornwärzchen, im Aprilauf Weiden, Erlen, Birken;»rollt sich zusammen und.spritzt, berührt, aus denKörperseiten einen Saft aus.(Fig. 119, Larve.) 2. C. {Trichiosöma) lucörum F., 24; mattschwarz, gelb-braunhaarig; Fühler mitten gelbbr

RFRYT2XC–Hawthorn sawfly

Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc. Ultra macro sensitive limbs Stock Photo

RF2T8E5J5–Great sawfly (Messa betulae, Trichiosoma vitellinae) caterpillar (false larva) in boreal mixed forest. East Baltc. Ultra macro sensitive limbs

$. An introduction to zoology, with directions for practical work (invertebrates). 432 INTRODUCTION TO ZOOLOGY Other forms equally injurious are the Currant ^S^-flieT^ Saw-fly {NemaUs ribesii) and the Gooseberry Saw- fly {N. veniricosus), forms which at times literally strip the bushes of their leaves. The Turnip Saw-fly (Jthalia spinarum) has small black larvae whicb do great damage to the leaves of turnip crops. Trichiosoma befuleti (Fig. 324) is a Saw-fly the larva of which feeds on the hawthorn in July and August; it is green with minute white spots, and on pupation it makes for itself a si Stock Photo$

RMRDHK0G–. An introduction to zoology, with directions for practical work (invertebrates). 432 INTRODUCTION TO ZOOLOGY Other forms equally injurious are the Currant ^S^-flieT^ Saw-fly {NemaUs ribesii) and the Gooseberry Saw- fly {N. veniricosus), forms which at times literally strip the bushes of their leaves. The Turnip Saw-fly (Jthalia spinarum) has small black larvae whicb do great damage to the leaves of turnip crops. Trichiosoma befuleti (Fig. 324) is a Saw-fly the larva of which feeds on the hawthorn in July and August; it is green with minute white spots, and on pupation it makes for itself a si

RFRYT2XA–Hawthorn sawfly

. Annual report. Entomological Society of Ontario; Insect pests; Insects. 10 11 12 i 1 10MM Fig. 1—10 and 12; dorsal view of cocoon. 1. Tetralopha asperatella (Clem.). 2. Schizura lepti- noides (Grt.). 3. Dusona vicina (Prov.). 4. Phobocampe sp. 5. Arge pectoralis (Leach). 6. Trichiosoma triangulum Kby. 7. Neodiprion americanus banksianae Roh. 8. Monoctenus melliceps (Cress.). 9. Priophorus pallipes (Lep.). 10. Pristiphora erichsonii (Htg.). 12. Pikonerna alaskensis (Roh.). Fig. 11; end view of cocoon. Amauronematus sp.. Please note that these images are extracted from scanned page images that Stock Photo

RMRMA9T4–. Annual report. Entomological Society of Ontario; Insect pests; Insects. 10 11 12 i 1 10MM Fig. 1—10 and 12; dorsal view of cocoon. 1. Tetralopha asperatella (Clem.). 2. Schizura lepti- noides (Grt.). 3. Dusona vicina (Prov.). 4. Phobocampe sp. 5. Arge pectoralis (Leach). 6. Trichiosoma triangulum Kby. 7. Neodiprion americanus banksianae Roh. 8. Monoctenus melliceps (Cress.). 9. Priophorus pallipes (Lep.). 10. Pristiphora erichsonii (Htg.). 12. Pikonerna alaskensis (Roh.). Fig. 11; end view of cocoon. Amauronematus sp.. Please note that these images are extracted from scanned page images that