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Some individual forms of European butterflies (Lepidoptera)
Vol 20, Page 1
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Taxonomic revision of the North African species of the genus Plebejus Kluk, 1802 (Lepidoptera: Lycaenidae)
Vol 20, Page 11
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On the life history of Pseudophilotes bavius (Eversmann, 1832) in S. Greece, its distribution in the Peloponnesos and a new record for N. Greece (Lepidoptera: Lycaenidae)
Vol 20, Page 35
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Pipunculid records from Germany (Diptera: Pipunculidae)
Vol 20, Page 41
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Trekvlinders in 1991, achtste jaarverslag (Lepidoptera)
Vol 20, Page 45
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Een geslaagde kweek van Agrius convolvuli (Linnaeus, 1758) in 1991 (Lepidoptera: Sphingidae)
Vol 20, Page 61
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De Aosta-vallei: een paradijs voor lepidopterologen, addendum 6 (Lepidoptera)
Vol 20, Page 69
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Geometridae of Turkey 1. Description of a new species from eastern Turkey in the genus Aplocera Fletcher (Lepidoptera: Geometridae)
Vol 20, Page 75
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Butterflies on the Greek island of Santorini (Thera) end August 1991 (Lepidoptera: Hesperioidea & Papilionoidea)
Vol 20, Page 79
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Phytometra viridaria (Clerck, 1759) toch ook in het Antwerpse (Lepidoptera: Noctuidae)
Vol 20, Page 80
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Neotropical Pterophoridae 6. The Oidaematophorus ochracealis complex (Lepidoptera)
Vol 20, Page 81
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Twelve new Hydrochus-species from South America (Coleoptera: Hydrophilidae)
Vol 20, Page 95
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Dasypolia templi (Thunberg, 1792) found at Oostakker (prov. of Eastern Flanders) (Lepidoptera: Noctuidae)
Vol 20, Page 105
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The larval host-plant of Pontia chloridice (Hubner, [1813]) in Greece (Lepidoptera: Pieridae)
Vol 20, Page 109
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Observations entomologiques en Crete (2 au 7 juin 1991) (Lepidoptera)
Vol 20, Page 113
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A contribution to the knowledge of the wolf spider fauna of Morocco: new species and new records (Araneae: Lycosidae)
Vol 20, Page 115
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Butterflies of the Greek island of Astipalea (Lepidoptera: Hesperioidea
Vol 20, Page 121
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Carabidae and Staphylinidae from the Groot Buitenschoor at Zandvliet (Prov. Antwerpen). (Coleoptera: Carabidae, Staphylinidae)
Vol 20, Page 125
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Perizoma sagittata (Fabricius, 1787): rearing from the larva to the adult moth and new locality of the species in Belgium (Lepidoptera: Geometridae)
Vol 20, Page 129
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Geometridae of Turkey 2. Lomaspilis opis bithynica ssp. n., a new species for Turkey (Lepidoptera: Geometridae)
Vol 20, Page 131
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Rhopalocera and Grypocera of Turkey 10. Description of the female of Thymelicus novus (Reverdin, 1916) and additional notes on the female genitalia of some Thymelicus species (Lepidoptera: Hesperiidae)
Vol 20, Page 137
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Azanus ubaldus (Cramer, 1782) on Gran Canaria (Canary Islands, Spain) (Lepidoptera: Lycaenidae)
Vol 20, Page 151
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Research of the terricole arthropods in the woods of Lembeke
Vol 20, Page 155