Summary of state and territorial plant quarantines affecting interstate shipments /

Includes index.

Summary of state and territorial plant quarantines affecting interstate shipments /

Includes index.

Synopsis of federal plant quarantines affecting interstate shipments in effect January 1, 1934 /

Caption title.

A Naval stores handbook dealing with the production of pine gum or oleoresin /

Cover title.

The tobacco and Solanum weevils of the genus Trichobaris /

"Taxonomic papers relating to the genus Trichobaris": p. 3-4.

The genera of parasitic wasps of the braconid subfamily Euphorinae with a review of the nearctic species /

Contribution from Bureau of Entomology and Plant Quarantine.

Annotated list of the insects and mites associated with stored grain and cereal products, and of their arthropod parasites and predators /

"July 1937."

The horseflies of the subfamily Tabaninae of the Nearctic region /

Cover title.

The species of Pantomorus of America north of Mexico /

Contribution from Bureau of Entomology and Plant Quarantine.

A review of the parasitic wasps of the ichneumonid genus Exenterus Hartig /

Contribution from Bureau of Entomology and Plant Quarantine.

A revision of the North American aphids of the genus Myzus /

Copy 2: Amer. Ent. Soc. QL523.A6M3.

A classification of the scale insect genus Asterolecanium /

Contribution from Bureau of Entomology and Plant Quarantine.

The fruitflies of the genus Anastrepha /

Contribution from Bureau of Entomology and Plant Quarantine.

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini ...

Contribution from Bureau of entomology and plant quarantine.

The fleas of North America : classification, identification, and geographic distribution of these injurious and disease-spreading insects /

Contribution from Bureau of Entomology and Plant Quarantine.