Dragon flies vs. mosquitoes. Can the mosquito pest be mitigated? Studies in the life history of irritating insects, their natural enemies, and artificial checks

Description

w. Miii -«^ m^mm^ imsimum J^ \^ I PLATE MOSQUITO OR DRAGON FLiES.HAWKS, 1. ANAX 2.JUNIUS. /ESCHNA HEROS. Flies xs; mosquitoes.sPragon CAN THE PEST BE MITIGATED? .MOSQUITO Studies in the Life History op Irritating Insects, and ArtificialTHEIR Natural Enemies, Checks, BY ENTOMOLOGISTS.WORKING WITJt AX INTRODUCTION KV ROBERT H. Ph. D.LAMBORN, NEW YORK: J). Appleton and Company, 1890. a M u ^=1 I Copyright, 1890, Br ROBERT H. LAMBORN. Printed by ALLEN, LANE & SCOTT Philadelphia. U PREFACE. In tlie summer of 1889 a circular letter was is-early " thesued to The ofWorkiug Eutomologists Country," foroffering prizes essays containing original investigations methods of the and thedestroying mosquitoregarding house fly. The of this effort was to about an intelli-object bring of the what natural enemiesdiscussion ofquestion,gent these insects be and ar-irritating may easily efficiently them.againstrayed and harmless ofThe voracious which ourdragon fly, so beautiful wasvarieties,country supplies many especially as that made it adesignated possessing qualities promising carefulfor investigation.subject The of destruction thus for is that so com-plan sought observed in a scale inmonly Nature,operation upon grand individual and whole families arewhere outspecies swept of existence itsthrough operation. The formulated in the circular letter werequestions discussed.

Sujets

• Odonata
• Mosquitoes
• Control

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 7
• Langue: English
• Poids de l'ouvrage: 9 Mo

Extrait

w.
Miii
-«^
m^mm^
imsimumJ^
\^IPLATE
MOSQUITO OR DRAGON FLiES.HAWKS,
1. ANAX 2.JUNIUS. /ESCHNA HEROS.