Original paper

Odour Communication in two Brassica feeding Aphid Species (Homoptera: Aphidinea: Aphididae)

Pettersson, Jan; Stephansson, David

p. 241-247, published: Dec 18, 1991

Original paper

Contribution of Sex Pheromone to Mate Location and Reproductive Isolation in Aphid Species (Homoptera: Aphidinea)

Hardie, Jim

p. 249-256, published: Dec 18, 1991

Original paper

Production of Sexuals and Sex Ratios in Cryptomyzus Species in Relation to Dispersal and Host-Alternation (Homoptera: Aphidinea: Aphididae)

Guldemond, J. Adriaan; Tigges, Wouter T

p. 257-264, published: Dec 18, 1991

Original paper

An Ecological Perspective of Host Alternation in Aphids (Homoptera: Aphidinea: Aphididae)

Mackenzie, Aulay; Dixon, Anthony F. G

p. 265-284, published: Dec 18, 1991

Original paper

Two Important Host-plants for Black Aphids of the 'Aphis fabae Complex' in the West of France (Homoptera: Aphididae)

Robert, Yvon; Le Gallic, Jean Francois

p. 285-293, published: Dec 18, 1991

Original paper

Morphologische und enzymelektrophoretische Unterschiede zwischen zwei auf Euphorbia lebenden schwarzen Aphis-Species (Homoptera: Aphidinea)

Jörg, Erwin; Lampel, Gerolf

p. 295-304, published: Dec 18, 1991

Book review

Book Reviews (Buchbesprechungen)

EntomolGen, Editor

p. 305-312, published: Dec 18, 1991

Original paper

Theoretical Perspectives on Sympatric Speciation in Aphids (Homoptera: Aphidinea: Aphididae)

[Theoretische Betrachtungen zur sympatrischen Artbildung bei BlattHiusen (Homoptera: Aphidinea: Aphididae)]

Ward, Seamus Alastair

p. 177-192, published: Oct 31, 1991

Original paper

Use of Allozyme Electrophoresis in Distinguishing Morphologically Similar Species of Aphididae (Homoptera: Aphidinea).

[Anwendung von AllozymeElektrophorese zur Unterscheidung morphologisch ähnlicher Blattlaus-Arten (Homoptera: Aphidinea)]

Hales, Dinah

p. 193-200, published: Oct 31, 1991

Original paper

Morphology and Bionomics of the Japanese Oak Dwarflouse Phylloxera kunugi (Homoptera: Aphidinea: Phylloxeridae)

[Morphologie und Bionomie der japanischen Eichen-Zwerglaus Phylloxera kunugi (Homoptera: Aphidinea: Phylloxeridae)]

Miyazaki, Masahisa; Teramoto, Noriyuki

p. 201-206, published: Oct 31, 1991

Original paper

Nasonovia (Ranakimia) altaensis as an Example of Adaptation to Short Summer Periods (Homoptera: Aphidinea: Aphididae).

[Nasonovia (Ranakimia) altaensis als ein Beispiel für die Anpassung an kurze Sommer-Perioden (Homoptera: Aphidinea: Aphididae)]

Heikinheimo, Osmo

p. 207-214, published: Oct 31, 1991

Original paper

Revision of the Aphid Genus Acaudinum (Homoptera: Aphidinea: Aphididae).

[Revision der Blattlaus Gattung Acaudinum (Homoptera: Aphidinea: Aphididae)]

Holman, Jaroslav

p. 215-226, published: Oct 31, 1991

Original paper

Review of the Aphid Genus Indiaphis from the Himalaya Region (Homoptera: Aphididae).

[Bericht über die Blattlaus-Gattung Indiaphis aus dem Himalaya-Gebiet (Homoptera: Aphididae)]

Ghosh, Asish K.

p. 227-230, published: Oct 31, 1991

Book review

Book Reviews (Buchbesprechungen)

EntomolGen, Editor

p. 231-240, published: Oct 31, 1991

Original paper

Morphometric Variation within and between Populations of Rhopalosiphum maidis with a Discussion of the Taxonomic Treatment of Permanently Parthenogenetic Aphids (Homoptera: Aphididae)

Blackman, Roger L.; Brown, Paul A

p. 97-113, published: Oct 31, 1991
5 figures, 2 tables

Original paper

Un Chaetosiphon (Pentatrichopus) Nouveau de Turquie (Homoptera: Aphidinea: Aphididae)

Remaudiere, Georges

p. 115-122, published: Oct 31, 1991
6 figures, 1 tables

Original paper

Caracterizacion Morfologica y Bionomia de Macrosiphum meixneri (Homoptera: Aphidinea: Aphididae)

Nieto Nafria, Juan M.; Mier Durante, M. Pilar

p. 123-131, published: Oct 31, 1991
2 figures

Original paper

Verbreitung der Kurzrüßligen Kleeblattlaus Nearctaphis bakeri in Europa (Homoptera: Aphidinea: Aphididae)

Thieme, Thomas

p. 133-138, published: Oct 31, 1991
2 figures, 1 tables

Original paper

Schadensbewertung der Erbsenblattlaus, Acyrthosiphon pisum, an Erbsen verschiedenen Nutzungstyps (Homoptera: Aphidinea: Aphididae)

Hinz, Bruno

p. 139-145, published: Oct 31, 1991
3 tables

Original paper

Aphis intybi, a Pest of Chicory Intercepted at United States Ports of Entry (Homoptera: Aphididae)

Stoetzel, Manya B.; Russell, Louise M

p. 147-155, published: Oct 31, 1991
12 figures

Original paper

Auftreten und Ansiedlungsweise der Maisblattlaus Rhopalosiphum maidis (Homoptera: Aphidinea: Aphididae)

Dubnik, Heinz

p. 157-159, published: Oct 31, 1991
1 tables

Original paper

Einsatz einer Saugfalle zur Überwachung der Flugaktivität von Getreideblattläusen (Homoptera: Aphidinea: Aphididae)

Karl, Ewald

p. 161-166, published: Oct 31, 1991
3 tables

Obituary

In Memoriam Fritz Paul Müller 1913 - 1989

Nachruf - Obituary,

p. 167-169, published: Oct 31, 1991

Original paper

Enemy Recognition and Defence within Trophobiotic Associations with Ants by the Soldier Caste of Pseudoregma sundanica (Homoptera: Aphidoidea)

Schütze, Marcel; Maschwitz, Ulrich

p. 1-12, published: Jul 12, 1991
2 figures

Original paper

Morphology of the Salivary Gland Acini in Grigiotermes bequaerti (Isoptera: Termitidae: Apicotermitinae)

Costa-Leonardo, Ana Maria; da Cruz-Landim, Carminda

p. 13-21, published: Jul 12, 1991
5 figures

Original paper

Progeny and Sex Allocation in the Aphid Parasitoid, Lysiphlebia mirzai, at Different Parasitoid-Host Ratios (Hymenoptera: Aphidiidae)

Tripathi, Rajeev Nayan; Singh, Rajendra

p. 23-30, published: Jul 12, 1991
6 figures, 1 tables

Original paper

Heavy Metal Accumulation by Baetis rhodani and Macrobenthic Community Structure in Running Waters of the N' Harz Mountains (Lower Saxony/FRG) (Ephemeroptera: Baetidae)

Rehfeldt, Gunnar; Söchtig, Wolfgang

p. 31-37, published: Jul 12, 1991
4 tables

Original paper

Einfluß von Gefügeschäden infolge mechanischer Belastungen auf die Springschwanz-Besiedelung einer konventionell bewirtschafteten Ackerfläche (Collembola)

Heisler, Claus

p. 39-52, published: Jul 12, 1991
2 figures, 5 tables

Original paper

The Insect Complex Associated with Tripleurospermum perforatum (Asteraceae: Anthemideae)

Freese, Andrea; Günther, Wolfgang

p. 53-68, published: Jul 12, 1991
6 figures, 6 tables

Original paper

Lasius platythorax n. sp. a Widespread Sibling Species of Lasius niger (Hymenoptera: Formicidae)

Seifert, Bernhard

p. 69-81, published: Jul 12, 1991
9 figures, 5 tables

Book review

Book Reviews

EntomolGen, Editor

p. 83-96, published: Jul 12, 1991