panbiogeographic track analysis of stylogaster macquart, 1835 (diptera: conopidae)
TRANSCRIPT
2013 NADS Field Meeting
Panbiogeographic track analysis of Stylogaster Macquart, 1835
(Conopidae)Leonardo Rocha
PPGZOO, Museu Nacional/UFRJ; Instituto Federal do Rio de Janeiro
Cátia Mello-PatiuDepto. de Entomologia, Museu Nacional/UFRJ
Jeffrey SkevingtonCanadian National Collection of Insects,
Arachnides and Nematodes, Agriculture and Agri-Food Canada
2013 – May – 18Starkville – Mississippi – USA
Introduction
Mc ALPINE et al
diptera.infodiptera.info
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ConopidaeAbout 800 species in 56
genera
Introduction
Stylogaster stylata (Fabricius, 1805)
Stylogaster
116 species
Introduction
Present in all biogeographic
regions except for the
Palaearctic
Methods
640 distribution recordsData from
literatureIdentified specimens
Results
Stylogaster bakeri Bezzi, 1916
Stylogaster orientalis Brunetti, 1923
Stylogaster macalpini Smith, 1979
Oriental/Australasia
Results
Stylogaster camrasi Stuckenberg, 1963
Stylogaster leonum (Westwood, 1851)
Afrotropical
Results
Stylogaster stylata (Fabricius, 1805)
Stylogaster macrura Lopes, 1938
Neotropical
Results
Stylogaster biannulata (Say, 1823)
Stylogaster neglecta Williston, 1883
Nearctic
Results
Stylogaster Generalized
Tracks
Results
Stylogaster Biogeographic
al Nodes
Results
Stylogaster Neotropical Tracks and
Nodes27
42
Results
Stylogaster Nearctic Tracks
2
Results
Stylogaster Afrotropical Tracks and
Nodes61
6
Results
Stylogaster Oriental and Australasian
Tracks
3 Au
2 Or
Discussion
GIBSON et al. (2012)
CAMRAS (1994)
Discussion
www.scotese.com
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Conclusions
Nodes are found mainly in wet forest regions. This indicates that dryness may be an important physical barrier, rather than cold.
The generalized tracks and preliminar cladograms indicate a hypothesis for a Gondwanic or post-Gondwanic (minus Africa) ancestral distribution.
ConclusionsFew palaeontological data (until now, the sole register for a conopid fossil was a non-stylogastrine from Baltic amber); one fossil species is now being studied and molecular analyses will be done to estimate the age of the genus.
Conclusions
Gaps in distributional data, mainly in Oriental and Australasian Regions, indicate the necessity of more sampling, highlighting new tracks. Five new species from those regions are being described now.
Future cladistic biogeography analyses will test the hypotheses and enlighten the connections shown by the tracks.
