This widely distributed European species has been found in New York, Michigan and Iowa; and this sea...
Identification of whiteflies is based mainly on larval stages and generally very little is known abo...
According to the statement of Kellogg in American Insects, man\u27s real competitors are not the lar...
In various papers published during the past five years the senior author has called attention to the...
No attempt at a catalogue of the insects of this order has yet been made, and though for several yea...
The additions to my list of two years ago presented in this contribution number thirty and I have a ...
After considering the accepted ideas concerning the wax glands of the Coccidae and Aphidae, the pape...
This paper was a brief extract, giving the more important results of a study of the above named spec...
I desire here to make a few additions and corrections to the list of Hemiptera presented in last rep...
The average person usually refers to almost any· kind of insect as a bug but, employing the latter...
Redescriptions of North American Smithuridae. J.W. Folsom pages 461-512 Observations on Hexamita mam...
During the past five years while the author was engaged primarily in a survey of insects his attenti...
Thesis (Ph.D.)--University of Illinois, 1917.Typescript.Vita.Includes bibliographical references (le...
Extreme economic effects globally of various populations of the whitefly Bemisia tabaci (Gennadius) ...
On cover: University of Illinois bulletin. vol. XXXIV, no. 74. May 14, 1937.Descriptive letterpress ...
This widely distributed European species has been found in New York, Michigan and Iowa; and this sea...
Identification of whiteflies is based mainly on larval stages and generally very little is known abo...
According to the statement of Kellogg in American Insects, man\u27s real competitors are not the lar...
In various papers published during the past five years the senior author has called attention to the...
No attempt at a catalogue of the insects of this order has yet been made, and though for several yea...
The additions to my list of two years ago presented in this contribution number thirty and I have a ...
After considering the accepted ideas concerning the wax glands of the Coccidae and Aphidae, the pape...
This paper was a brief extract, giving the more important results of a study of the above named spec...
I desire here to make a few additions and corrections to the list of Hemiptera presented in last rep...
The average person usually refers to almost any· kind of insect as a bug but, employing the latter...
Redescriptions of North American Smithuridae. J.W. Folsom pages 461-512 Observations on Hexamita mam...
During the past five years while the author was engaged primarily in a survey of insects his attenti...
Thesis (Ph.D.)--University of Illinois, 1917.Typescript.Vita.Includes bibliographical references (le...
Extreme economic effects globally of various populations of the whitefly Bemisia tabaci (Gennadius) ...
On cover: University of Illinois bulletin. vol. XXXIV, no. 74. May 14, 1937.Descriptive letterpress ...
This widely distributed European species has been found in New York, Michigan and Iowa; and this sea...
Identification of whiteflies is based mainly on larval stages and generally very little is known abo...
According to the statement of Kellogg in American Insects, man\u27s real competitors are not the lar...