WM. A. RILEY, Ph.D.

O. A. JOHANNSEN, Ph.D.

PREFACE

ADDITIONS AND CORRECTIONS

CONTENTS

CHAPTER I.

INTRODUCTION

EARLY SUGGESTIONS REGARDING THE TRANSMISSION OF DISEASE BY INSECTS

THE WAYS IN WHICH ARTHROPODS MAY AFFECT THE HEALTH OF MAN

CHAPTER II.

ARTHROPODS WHICH ARE DIRECTLY POISONOUS

ARANEIDA OR SPIDERS

THE PEDIPALPIDA OR WHIP-SCORPIONS

THE SCORPIONIDA, OR TRUE SCORPIONS

THE SOLPUGIDA, OR SOLPUGIDS

THE ACARINA, OR MITES AND TICKS

THE MYRIAPODA, OR CENTIPEDES AND MILLIPEDES

The Diplopoda

The Chilopoda

THE HEXAPODA OR TRUE INSECTS

PIERCING OR BITING INSECTS POISONOUS TO MAN

Hemiptera

DIPTERA

STINGING INSECTS

NETTLING INSECTS

LEPIDOPTERA

Vescicating Insects and those Possessing Other Poisons in their Blood Plasma

FOOTNOTES:

CHAPTER III

PARASITIC ARTHROPODA AFFECTING MAN

Acarina or Mites

The Trombidiidæ, or Harvest Mites

Ixodoidea or Ticks

Argasidæ

Ixodidæ

Tarsonemidæ

Sarcoptidæ

Demodecidæ

Hexapoda or True Insects

Siphunculata

Hemiptera

Parasitic Diptera or Flies

Psychodidæ or Moth-Flies

Culicidæ or Mosquitoes

The Simuliidæ, or Black Flies

Chironomidæ or Midges

Tabanidæ or Horse-Flies

Leptidæ or Snipe-Flies

Oestridæ or Bot-flies

Muscidæ

The Siphonaptera or Fleas

CHAPTER IV

ACCIDENTAL OR FACULTATIVE PARASITES

Acarina

Myriapoda

Lepidopterous Larvæ

Coleoptera

Dipterous Larvæ

CHAPTER V

ARTHROPODS AS SIMPLE CARRIERS OF DISEASE

The House-fly As a Carrier of Disease

CHAPTER VI

ARTHROPODS AS DIRECT INOCULATORS OF DISEASE GERMS

Some Illustrations of Direct Inoculation of Disease Germs by Arthropods

The Rôle of Fleas in the Transmission of the Plague

CHAPTER VII

ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC ORGANISMS

Insects as Intermediate Hosts of Tapeworms

Arthropods as Intermediate Hosts of Nematode Worms

Other Nematode Parasites of Man and Animals Developing in Arthropods

CHAPTER VIII

ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC PROTOZOA

Mosquitoes and Malaria

Mosquitoes and Yellow Fever

CHAPTER IX

ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC PROTOZOA

Insects and Trypanosomiases

Ticks and Diseases of Man and Animals

CHAPTER X

ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC PROTOZOA [Continued]

Arthropods and Spirochætoses of Man and Animals

Typhus Fever and Pediculidæ

CHAPTER XI

SOME POSSIBLE, BUT IMPERFECTLY ESTABLISHED CASES OF ARTHROPOD TRANSMISSION OF DISEASE

Infantile Paralysis or Acute Anterior Poliomyelitis

Pellagra

Leprosy

Verruga peruviana

Cancer

CHAPTER XII

HOMINOXIOUS ARTHROPODS

CRUSTACEA

MYRIAPODA

ARACHNIDA

HEXAPODA (Insects)

ORDERS OF THE ARACHNIDA

ACARINA[E]

HEXAPODA (Insecta)

SIPHUNCULATA (page 275)

HEMIPTERA (page 275)

LEPIDOPTERA

DIPTERA (page 285)

SIPHONAPTERA (page 316)

COLEOPTERA

HYMENOPTERA

SIPHUNCULATA AND HEMIPTERA

Reduviidæ of the United States

DIPTERA (Mosquitoes, Midges, Flies)

SYNOPSIS OF THE PRINCIPAL GENERA OF THE MUSCIDÆ OF THE WORLD

SIPHONAPTERA. Fleas

FOOTNOTES:

APPENDIX

HYDROCYANIC ACID GAS AGAINST HOUSEHOLD INSECTS

The Proportions of Ingredients

A Single Room As an Example

Fumigating a Large House

Precautions

LESIONS PRODUCED BY THE BITE OF THE BLACK-FLY

Resume and Discussion of Experimental Findings

Summary

BIBLIOGRAPHY

INDEX

TRANSCRIBERS' NOTES