Valladares L. F., Garcia-Aviles J., 1998: Distribution, habitats and biogeography of aquatic Coleoptera of the Balearic Islands (Spain) (Hydraenidae, Helophoridae, Hydrochidae, Hydrophilidae). 20 pp. Koleopterologische Rundschau 69: 187-206.
150
6
ELY 05003
Valladares L. F., Montes C., 1991: Redescription de Hydraena balearica D’Orchymont, 1930 (Coleoptera: Hydraenidae). 6 pp. Elytron 5: 3-8.
50
2
ELY 05S141
Valladares L. F:, 1991: Separación específica de las dos subespecies de Hydraena cordata Schaufuss, 1833 sensu Berthelemy (1965) (Coleoptera: Hydraenidae). 8 pp. Elytron 5(suppl.): 141-148.
50
2
FEH 442315
Vásárhelyi T., 1983: The Coleoptera fauna of the county Békés (SE Hungary) II. Dytiscidae-Staphylinidae 1. 28 pp. [15698] Folia Entomologica Hungarica (S.N.) 44(2): 315-342.
250
10
20344
Vávra J., Moravec J., Škopek J., Farkač J., Mikuláš R., 2005: Bývalá těžebna cihlářských hlín ve Stodůlkách (Praha 5) – cenný přírodní prvek uvnitř velkoměsta. 34 pp. (in Czech). Natura Pragensis 17: 95-128.
195
8
AQA 889
Vondel B. J. van, 1987: Description of the second and third instar larva of Haliplus varius with notes on the subgeneric status (Coleoptera: Haliplidae). 3 pp. (in English). Ent. Ber. 56: 9-11.
50
2
CBU 41151
Vulinec K., 1987: Swimming in whirligig beetles: A possible role of the pygidial gland secretions (Coleoptera: Gyrinidae). 3 pp. The Coleopterists Bulletin 41(2): 151-153.