2

Polymorphism in Aphididae

Year:
1966
Language:
english
File:
PDF, 2.25 MB
english, 1966
4

Impressions of the Coffee-Growing in East and Central Africa—I

Year:
1940
Language:
english
File:
PDF, 337 KB
english, 1940
5

Impressions of the Coffee-Growing in East and Central Africa-II

Year:
1940
Language:
english
File:
PDF, 426 KB
english, 1940
8

Inheritance of plant elongation ability at seedling stage in rice

Year:
1989
Language:
english
File:
PDF, 492 KB
english, 1989
9

Inheritacne of submergence tolerance in rice

Year:
1989
Language:
english
File:
PDF, 342 KB
english, 1989
12

De overwintering van de perzikbladluis (myzus persicaesülzer) als ei

Year:
1951
Language:
dutch
File:
PDF, 151 KB
dutch, 1951
13

De Nederlandse bladluizen van framboos en braam

Year:
1950
Language:
dutch
File:
PDF, 558 KB
dutch, 1950
15

De bloedvlekkenluis van appel, Sappaphis devecta (WLK.)

Year:
1945
Language:
dutch
File:
PDF, 2.28 MB
dutch, 1945
19

Density-dependent mortality and the latitudinal gradient in species diversity

Year:
2002
Language:
english
File:
PDF, 338 KB
english, 2002
22

NOTES ON THEOBALD'S “THE PLANTLICE OR APHIDIDAE OF GREAT BRITAIN,” II & III

Year:
1934
Language:
english
File:
PDF, 633 KB
english, 1934
25

NOTES ON THEOBALD'S “THE PLANTLICE OR APHIDIDAE OF GREAT BRITAIN”

Year:
1933
Language:
english
File:
PDF, 600 KB
english, 1933
26

A NEW GENUS AND SOME NEW SPECIES OP APHIDS

Year:
1933
Language:
english
File:
PDF, 337 KB
english, 1933
27

Lachnids from Elaeagnaceae (Hom. Aph.)

Year:
1956
Language:
english
File:
PDF, 533 KB
english, 1956
32

Über das Umbetten alter Kanadabalsam-Präparate von Blattläusen

Year:
1933
Language:
german
File:
PDF, 109 KB
german, 1933
34

The identity and name of a vector of barley yellow dwarf virus

Year:
1960
Language:
english
File:
PDF, 133 KB
english, 1960
35

Notes on Three North American Aphididae

Year:
1961
Language:
english
File:
PDF, 328 KB
english, 1961
36

A Third Species of Toxopterella Hille Ris Lambers (Homoptera: Aphididae) from North America

Year:
1962
Language:
english
File:
PDF, 650 KB
english, 1962
37

A New Genus and Species of Aphididae (Homoptera) from Florida

Year:
1973
Language:
english
File:
PDF, 559 KB
english, 1973
39

POTATO APHIDS AND VIRUS DISEASES IN THE NETHERLANDS

Year:
1955
Language:
english
File:
PDF, 408 KB
english, 1955
40

On the genus Hoplochaetaphis Aizenberg, 1959 (Homoptera, Aphididae)

Year:
1965
Language:
english
File:
PDF, 252 KB
english, 1965
44

Some New Genera and Species of Aphids from Canada (Homoptera: Aphididae)

Year:
1960
Language:
english
File:
PDF, 1.44 MB
english, 1960
45

Scientific Names of Potato-Infesting Aphids

Year:
1959
Language:
english
File:
PDF, 885 KB
english, 1959