Zobrazeno 1 - 10
of 15
pro vyhledávání: '"L. V. Knutson"'
Autor:
L. V. Knutson, C. O. Berg
Publikováno v:
Proceedings of the Royal Entomological Society of London. Series A, General Entomology. 38:45-58
Publikováno v:
Journal of Zoology. 247:531-536
New data on the morphology of Salticella fasciata immature stages are given from stereo scanning microscope observations. Distinctive features are presented for the egg chorion and the main sensorial structures of the cephalic, thoracic and abdominal
Autor:
R. Rozkošný, L. V. Knutson
Publikováno v:
Annals of the Entomological Society of America. 63:1434-1459
The classification of Palearctic Pteromicra is revised. Male genitalia of the 5 species, and of P. leucodactyla (Hendel) from Taiwan, are illustrated. Pteromicra nigrimana (Meigen) is placed as a synonym of P. glabricula (Fallen), and the correct nam
Publikováno v:
Genetica. 43:334-365
The karyotypes of 24 species of Sciomyzidae (Diptera: Acalyptratae) are described for the first time and new data on the previously described karyotypes of three species are provided. Twenty-two of the 24 species have 2n=12 and two have 2n=10. The va
Autor:
L. V. Knutson, J. W. Stephenson
Publikováno v:
Journal of Economic Entomology. 59:356-360
The frequency with which slugs are found to be infested by other invertebrates suggests a possibility of biological control. More than 46 species of invertebrates associated with 25 nominal species and subspecies of slugs are included in a review of
Autor:
L. V. Knutson, C. O. Berg
Publikováno v:
Annals of the Entomological Society of America. 57:173-192
Larvae of Elgiva rufa (Panzer) (Holarctic), E. connexa (Steyskal) (Nearctic), and E. cucularia (L.) (Palearctic) are predators of aquatic, pulmonate snails belonging to the families Lymnaeidae, Physidae, and Planorbidae. Ecological distribution, mati
Publikováno v:
Journal of Zoology; April 1999, Vol. 247 Issue: 4 p531-536, 6p
Autor:
L. V. Knutson, Clifford O. Berg
Publikováno v:
The Canadian Entomologist. 95:724-726
Four females of Phaenopria popei oviposited into a one-day-old puparium of Dictya sp. Adult progeny emerged 18 days later at 19-25 °C. Host flies include Dictya, Elgiva, and Sepedon, and probably Tetanocera (all Sciomyzidae).
Autor:
B. A. Foote, L. V. Knutson
Publikováno v:
Nature. 226(5244)
LARVAE of three species of Renocera in North America and of Knutsonia lineata (Fallen) in Europe seem to be the only insects known to kill and feed exclusively on bivalve molluscs. Apparently the only other association known between insects and clams
Publikováno v:
Transactions of the American Microscopical Society. 88(3)