30 The Horticulturist'' e Rule- Book, 



Lice. — See Aphides. • 



May-Beetle or May-Bug (Lnchnostenia fusca, Frohl.) — A large and 

 familiar brown beetle, feeding upon the leaves of many 

 kinds of trees. The common white grub is the larval state. 

 It often does gi-eat damage to sod and to strawberries. 



Remedies. — For beetle, use arsenites, orjjar them early in 

 the morning. For grubs, plow up the lawn so as to expose 

 them to field-bii-ds and poultry, or turn in hogs. 

 Mealy Bug (Dactylopius adonidum, Lirm.). — A white scale-like 

 insect attacking gre v ouse plants. 



Remedies. — AlcohoLc decoction of pyrethrum. Knock them 

 off with a hose. Whale-oil soap. Carbolic acid and soap. 

 Removing insects with brush on tender plants. Whiskey, 

 applied with a brush. Fish-brine. 

 Melon. Melon- Worm (Endioptis hyalinata, Linn.) . — Larva, some 

 over an inch long, j^ellowish green and slightly hairy, feed- 

 ing on melon-leaves, and eating holes into melons, cucum- 

 bers and squashes ; two or more broods. 

 Remedy.— Hellebore. 

 Spotted Cucumber-Beetle. — See under Cucumber. 

 Striped Cucumber-Beetle. — See under Cucumber. 

 Squash-vixe Root-Borer.— See under Squash. 

 Mite (Tetranychus bimaculatus, Harvey) .—Much like red-spider in 

 size and shape, but light-colored, vdth two dark spots behind. 

 Feeds upon the under side of the leaves of many greenhouse 

 plants. A very serious pest. Evidently known also as ' ' Ver- 

 bena Mite." 

 Remedy.— Hughes^ fir-tree oil. 

 Mushroom. Mushroom-Flt. — The larva bores through the stems 

 of the mushrooms before they are full-grown. 



Preventive. — Keep the beds cool so that the fly cannot 

 develop. When the fly is present, grovi^ing mushrooms in 

 warfti weather is usually abandoned. 

 Onion. Maggot {AnUiomyia c^pa7~um, Meigen) .—Nearly indis- 

 tinguishable from the cabbage-maggot, which see. 

 Orange. Katydid {Microcent7iim retinervis, Bui'm.). — A large 

 green grasshopper-like insect, feeding upon the foliage. It 

 is largely kept in check in some localities by a parasitic 

 chalcid fly. 



Remedy. — Collect the eggs, which are conspicuous on the 

 borders of the leaves. 



