Identifier: indianforestinse00stebuoft (find matches)
Title: Indian forest insects of economic importance. Coleoptera
Year: 1914 (1910s)
Authors: Stebbing, Edward Percy, 1870-1960
Subjects: Beetles Forest insects -- India Trees -- Diseases and pests
Publisher: London Eyre & Spottiswoode
Contributing Library: Earth Sciences - University of Toronto
Digitizing Sponsor: MSN

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
iinalia in the Central Provinces, and upon barkrboring Scolytidaein Naudio, sessiliflora in Burma. The Coccinellidae are one of the pivlator f.miilies of beetles />./rexcellence, the greater portion of the family being pred.ireoiis. The best-known instances at present arc perl).ip^ the I ciLilij i p. 1251.which feeds in both its larval and beetle forms on the sal-tree scale insMonophlebus, and Coccincllu scptcinpiuictntii (p. 123), which feeds upon theAphis of the blue pine, the Luc/inn* of the silver fir, and the Chcithe spruce and silver fir, etc. A number of other species whirl) \\ill l.ereferred to in these pages are known in this connection. INDIAN FOREST INSECTS CLASSIFICATION OF THE COLEOPTERA. Beetles are primarily classified into the following series, according tothe tarsal joints present and to the form of the antennae :— Lamellicornia.—Tarsus of all the legs five-jointed. Upper joints of theantennae produced in flat or thickened expansions to one side so as to form a
Text Appearing After Image:
FK;. 32.—Example of the great variation in size of the same species of beetle.The insect depicted is Hoplocerambyx spinicornis, Newn. club which is more or less compact, and can usually be opened out andclosed at will. Adephaga.—Tarsus of all legs five-jointed. Joints of antennae simple.Larva with two-jointed tarsi. Polymorpha.—Tarsus of legs variable. Joints of antennae clubbed orserrate. COLEOPTERA—CHARACTERS, HABITS, CLASSIFICATION 65 Heteromera.—Tarsus of two front pairs of legs five-jointed ; of hindpair of legs four-jointed. Phytophaga.—Tarsus four-jointed on all legs and densely pubescent. Thehead is not prolonged into a beak. Rhynchpphora.—Tarsus four-jointed on all legs and densely pubescent.The head is prolonged into a beak, which may be of considerable length. For full details on the subject of classification, text books on ento-mology should be consulted. A book which will be available to all inIndia is Lefroys excellent work Indian Insect Life, where the sub

Note About Images