Taxonomy of Cocoons and Puparia, and their Contents, of Canadian Parasites of Neodiprion sertifer (Geoff.) (Hymenoptera: Diprionidae)

Principles of Insect Morphology

1936 • 1,735 citations

Hymenoptera of America north of Mexico : synoptic catalog

1951 • 332 citations

A Catalogue of the Parasites and Predators of Insect Pests

1945 • 276 citations

Insect enemies of eastern forests /

1950 • 171 citations

Hymenoptera of America north of Mexico

1967 • 170 citations

Morphology and evolution of the insect head and its appendages

1928 • 115 citations

THE MORPHOLOGY OF THE HEAD OF LARVAL HYMENOPTERA WITH SPECIAL REFERENCE TO THE HEAD OF THE ICHNEU‐MONOIDEA, INCLUDING A CLASSIFICATION OF THE FINAL INSTAR LARVAE OF THE BRACONIDAE

1952 • 108 citations

The Insect Cranium and the “Epicranial Suture,”

1947 • 77 citations

Comparative studies on the jaws of mandibulate arthropods

1950 • 64 citations

The Biology and Ecology of the Red-Headed Pine Sawfly

1955 • 41 citations

The Insect Parasites of the Spruce Sawfly (Diprion polytomum, Htg.) in Europe

1937 • 39 citations

Observations on the European Pine Sawfly, Neodiprion sertifer (Geoff.), and its Parasites in Southern Ontario

1959 • 37 citations

Observations on the Parasites of the Pine-shoot Moth, Rhyacionia buoliana, Schiff.

1930 • 33 citations

The Biology of Microplectron fuscipennis, Zett. (Chalcid.), a Parasite of the Pine Sawfly (Diprion sertifer, Geoff.)

1935 • 33 citations

The North American species of parasitic two-winged flies belonging to the genus Phorocera and allied genera

1924 • 32 citations

The Larval Head of Parasitic Hymenoptera and Nomenclature of Its Parts

1933 • 29 citations

A Contribution to the Study of the Dipterous Parasites of the European Earwig (Forficula auriculariaL.)

1928 • 24 citations

The prepupal Stage in Ichneumonidae, illustrated by the life-history of Exenterus abruptorius, Thb.

1937 • 19 citations

The Establishment of Introduced Parasites of the European Spruce Sawfly (Diprion Hercyniae (HTG.) (Hymenoptera : Diprionidae) in the Maritime Provinces1

1953 • 18 citations

Notes on Parasites of Diprionidae in Europe and Japan and Their Establishment in Canada on Diprion hercyniae (Htg.) (Hymenoptera: Diprionidae)

1958 • 17 citations

Eupelmella vesicularis Retz. (Chalcididae) as a predator of another chalcid, Microplectron fuscipennis Zett

1938 • 15 citations

Western Hemlock Sawfly, Neodiprion tsugae Middleton, and its Parasites in Oregon

1941 • 14 citations

Notes on some Genera and Species of Chalcidoidea (Hymenoptera).

1938 • 14 citations

Parasitism of the European Pine Sawfly, Neodiprion sertifer (Geoff.) (Hymenoptera: Diprionidae), in Southwestern Ontario

1958 • 13 citations

Identification of Bombyliid Parasites and Hyperparasites of Phalaenidae of the Prairie Provinces of Canada, with Descriptions of Six Other Bombyliid Pupae (Diptera)

1952 • 12 citations

Notes on Parasitism of a Spruce Sawfly, Diprion polytomum (Htg.) (Hymenoptera: Diprionidae), in Czechoslovakia and Scandinavia

1958 • 10 citations

Establishment of Exenterus Spp. (Hymenoptera: Ichneumonidae), Parasites of the European Spruce Sawfly, Near Points of Introduction

1952 • 9 citations

Present Status of the European Spruce Sawfly, Diprion polytomum (Htg.), in the United States

1939 • 9 citations

The Biology of Phorocera hamata A. & W., a Tachinid Parasite of Sawflies

1949 • 9 citations

Life History Studies of Neodiprion americanum (Leach).1

1941 • 9 citations

Notes on the Parasites of Neodiprion nanulus Schedl (Hymenoptera: Tenthredinidae)

1954 • 7 citations

FURTHER NOTES ON EXENTERUS (HYMENOPTERA, ICHNEUMONIDAE)

1943 • 6 citations

THE EXTERNAL MORPHOLOGY OF THE IMMATURE STAGES OF THE BEE FLY, SYSTOECHUS VULGARIS LOEW, (DIPTERA, BOMBYLIIDAE), A PREDATOR OF GRASSHOPPER EGG PODS

1940 • 6 citations

NEW AND LITTLE KNOWN CANADIAN PARASITIC HYMENOPTERA (ICHNEUMONOIDEA)

1933 • 6 citations

Biological control of insect pests in Canada with special reference to the control of the European spruce sawfly Gilpinia polytoma Htg.

1940 • 6 citations

Keys to the Parasites of the Hessian Fly Based on Remains Left in the Host Puparium

1940 • 5 citations

Five Ichneumonidæ Reared from Cocoons of the European Pine Sawfly, Neodiprion sertifer (Geoff.)

1946 • 5 citations

A Review of the Parasitic Wasps of the Ichneumonid Genus Exenterus Hartig

2017 • 4 citations

OBSERVATIONS ON THE EMERGENCE OF PHOROCERA HAMATA A. AND W. (TACHINIDAE) FROM SAWFLY COCOONS

1947 • 4 citations

Keys to the Parasites of the Hessian Fly Based on Remains Left in the Host Puparium

1940 • 2 citations

Control work on European Spruce sawfly in 1939.

1940 • 2 citations