Project Gutenberg's An Elementary Study of Insects, by Leonard Haseman

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Title: An Elementary Study of Insects

Author: Leonard Haseman

Release Date: November 10, 2007 [EBook #23434]

Language: English

Character set encoding: ASCII

*** START OF THIS PROJECT GUTENBERG EBOOK AN ELEMENTARY STUDY OF INSECTS ***

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[Illustration: The Toad may be rough and warty in appearance but worth
its weight in gold as a destroyer of insect pests. Note the expression
of satisfaction after a successful night of foraging for cutworms and
June-beetles.]

AN ELEMENTARY
STUDY OF
INSECTS

_By_

LEONARD HASEMAN

_Professor of Entomology in the University of Missouri_

Columbia, Missouri
MISSOURI BOOK COMPANY
1923

CONTENTS.

INTRODUCTION

CHAPTER I INSECTS:
(1) What they are.
(2) Their principal characteristics.
(3) Their methods of developing.
(4) The principal orders.
(5) Their habits.
(6) Their role in agriculture.

CHAPTER II COLLECTING INSECTS:
(1) Directions for collecting.
(2) Pinning and preserving a collection.
(3) Rearing and observing them while alive.

CHAPTER III THE GRASSHOPPER:
(1) Brief discussion of the grasshopper.
(2) Field studies.
(3) Breeding cage observations.
(4) Study of specimen.

CHAPTER IV THE HOUSE FLY OR TYPHOID FLY:
(1) Discussion of the life cycle of the fly, its habits, danger
from it and how it can be stamped out.
(2) Study of the fly and its work.

CHAPTER V THE MOSQUITO:
(1) Brief discussion of the life habits and stages of the mosquito.
(2) Observations and study.

CHAPTER VI THE CABBAGE MILLER:
(1) Brief discussion of the caterpillar, the chrysalis, the
butterfly, and its work.
(2) Observations and study.
(3) Breeding work.

CHAPTER VII THE APPLE WO