Checklist of the Collembola: Key to the species of Vesicephalus |
This key is still under construction. Note that missing figures will be provided as soon as possible. Currently, the key is in the feasibility study phase to find out how to integrate in the checklist in a modular way a key that has been generated with DELTA.
Enrique Baquero,
Department of Zoology and Ecology, University of Navarra, 31080, Pamplona, Navarra, Spain
Richard Snider,
Department of Zoology, Michigan University, E. Lansing, Michigan, U.S.A.
Rafael Jordana,
Department of Zoology and Ecology, University of Navarra, 31080, Pamplona, Navarra, Spain
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Lamella of unguis greatly expanded................. occidentalis Lamella of unguis not greatly expanded........................ 2 2(1). Dorsal setae of great abdomen pointed................. europaeus Dorsal setae of great abdomen truncated....................... 3 3(2). Fourth antennal segment as long as sum of first and second antennal segments.................................. longisetis Fourth antennal segment longer then sum of first and second antennal segments........................................... 4 4(3). Seta av1' on ventral anal valve long flattened, with some fringes............................................. crossleyi Seta av1' on ventral anal valve short and pointed.... bellingeri
bellingeri
Dorsal setae of great abdomen truncated. Fourth
antennal segment longer then sum of first and second antennal segments.
Lamella of unguis not greatly expanded. Seta av1 on ventral anal valve
short and pointed.
crossleyi
Dorsal setae of great abdomen truncated. Fourth
antennal segment longer then sum of first and second antennal segments.
Lamella of unguis not greatly expanded. Seta av1 on ventral anal valve
long flattened, with some fringes.
europaeus
Dorsal setae of great abdomen pointed. Lamella of
unguis not greatly expanded.
longisetis
Dorsal setae of great abdomen truncated. Fourth
antennal segment as long as sum of first and second antennal segments. Lamella
of unguis not greatly expanded.
occidentalis
Lamella of unguis greatly expanded.