Insects attacking cranberry, currants, and gooseberries. 
Insects attacking deciduous-fruit nurseries. 
Insects of somewhat general food habit assigned to this section are: Cankerworms, apple-tree tent caterpillar, oyster- 
shell scale, scurfy scale, twig girdler, plum gouger, plum plant lice, European fruit lecanium, and the terrapin 
scale. 
The general subject of spraying machinery. 
The general subject of insecticides, including special investigations not directly attached to the work of the several 
branches, as covered in Dr. Howard’s memorandum of April 10, 1915. 
Systematic: Work with Aleyrodidae, including care of collection (Quaintance); work with Aphididae, and care of 
Bureau collection (Baker). 
Insects AFFECTING CEREAL AND FoRAGE CROPS. 
Insects affecting, in the field, all cereals, except rice. 
Insects affecting all forage crops. 
Systematic: Braconidae, special; Ichneumonidae and Chalcididae, incidental (Gahan); Acalyptera and Sarcopha- 
gidae (Aldrich); Tachinidae (Walton); Aphididae, special studies (Davis). 
SOUTHERN FieLp-Crop INsEct INVESTIGATIONS. 
Insects affecting cotton, sugar cane, rice, tobacco (including the cigarette beetle), and peanuts. 
Insects attacking domestic animals, including ticks, fleas, horse flies, stable flies, bots, warbles, and lice. 
Ants as affecting field crops. 
Control of insects by electric means. 
Systematic: Weevils and Strepsiptera (Pierce); Thrips (Morgan); Mallophaga (McGregor). 
Forest INsEcT INVESTIGATIONS. 
Insects affecting forest trees. 
Insects affecting forest products. 
Insects affecting shade trees and hardy ornamental shrubs. 
Phenological questions relating to entomology. 
Systematic: Scolytidae (Hopkins); cerambycid larvae (Craighead); termites (Snyder); buprestid larvae (Burke); 
coleopterous larvae (Béving); sawflies (Rohwer). 
TRUCK-CROP AND STORED-PRopucT INSECT INVESTIGATIONS. 
Insects affecting truck crops, including sugar beets, and also mushrooms and other hothouse cultures of truck crops. 
Insects affecting small fruits, limited to raspberry, blackberry, and strawberry. 
Insects affecting stored products, with the exception of insects injurious to forest products and the cigarette beetle. 
Systematic: Sphenophorus (billbugs), Balaninus (nut weevils), Halticini (flea-beetles) (Chittenden); Myriopoda 
(millipedes, etc.) (Popenoe); Jassoidea (leafhoppers) (Duckett). 
TROPICAL AND SUBTROPICAL FRuIt INSECT INVESTIGATIONS. 
Insects affecting tropical or subtropical fruits, such as the olive, avocado, mango, pineapple, banana, etc., and 
Citrus (including orange, grapefruit, tangerine, lime, lemon, etc.). 
Insects affecting ornamental plants grown in greenhouses, cold frames, and the home. 
Fruit flies, general (excepting specific enemies of deciduous fruits of temperate regions). 
Periodical cicada; angleworms. 
Systematic: Coccidae, including custodianship of coccid collections. 
Gresy MotH AND Brown-rait Moru INVESTIGATIONS. 
General, including life-history and food-plant studies, and control by natural enemies, including parasites, predacious 
insects, and insect diseases. 
Silvicultural control work in cooperation with the Forest Service. 
Quarantine work in cooperation with the Federal Horticultural Board, including determination of spread and the 
inspection and certification of export products. 
BrxE CuLTurE INVESTIGATIONS, 
Entire subject of bee culture, with its various subdivisions. 
