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THE BEE-GENUS BRACHYNOMADA
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- 31 May 2012, pp. 26-28
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AFRICAN BUPRESTIDÆ (COL.) OF THE GENUS STERNOCERA
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- 31 May 2012, pp. 346-348
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NOTE ON AGRION ÆQUABILE HUDSONICUM (HAGEN)
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- 31 May 2012, pp. 410-411
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APHIS SALICETI (KALTENBACH), SIPHOCORYNE PASTINACÆ (LINN.), AND ALLIED SPECIES
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- 31 May 2012, pp. 89-94
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POLLINATION OF ALFALFA BY BEES OF THE GENUS MEGACHILE. TABLE OF CANADIAN SPECIES OF THE LATIMANUS GROUP
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- 31 May 2012, pp. 301-304
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AN ANNOTATED LIST OF THE CERAMBYCIDÆ OF CALIFORNIA. (COL)
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- 31 May 2012, pp. 172-177
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AN ANNOTATED LIST OF THE CERAMBYCIDÆ OF CALIFORNIA
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- 31 May 2012, pp. 281-284
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AN ANNOTATED LIST OF THE CERAMBYCIDÆ OF CALIFORNIA
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- 31 May 2012, pp. 205-213
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ON THE AMERICAN REPRESENTATIVES OF SOMATOCHLORA ARCTICA WITH DESCRIPTIONS OF TWO NEW SPECIES. (ODONATA)
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- 31 May 2012, pp. 365-375
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Brief Report
THE BLACK CHERRY APHIS, MYZUS CERASI
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- 31 May 2012, p. 241
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STUDIES OF CANADIAN SPIDERS IN SUMMER OF 1917
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- 31 May 2012, pp. 128-129
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LECTOTYPES OF HYMENOPTERA (EXCEPT APOIDEA) DESCRIBED BY ABBÉ PROVANCHER
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- 31 May 2012, pp. 28-33
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ON THE VALIDITY OF EUPITHECIA HARLEQUINARIA DYAR
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- 31 May 2012, pp. 214-215
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A PARTIAL KEY TO SPECIES OF THE GENUS AGROMYZA (DIPTERA.): Second Paper
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- 31 May 2012, pp. 130-132
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A GROUP OF AMERICAN HALICTINE BEES SIMULATING THE OLD-WORLD GENUS NOMIOIDES
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- 31 May 2012, pp. 348-349
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THE PROBABLE ANCESTORS OF INSECTS AND MYRIOPODS*
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- 31 May 2012, pp. 285-288
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ZOROTYPUS HUBBARDI, A NEW SPECIES OF THE ORDER ZORAPTERA FROM THE UNITED STATES
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- 31 May 2012, pp. 375-381
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NEW NEARCTIC CRANE-FLIES (TIPULIDÆ, DIPTERA) PART V
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- 31 May 2012, pp. 242-246
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ODONATA OF THE RED DEER DISTRICT
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- 31 May 2012, pp. 95-100
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KEY TO THE NORTH AMERICAN SPECIES OF AGROMYZA RELATED TO SIMPLEX LOEW (DIPTERA)
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- 31 May 2012, pp. 178-179
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