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BIO 1123 SOREN BONDRUP-NEILSEN EVAN CARR KINNEAR, TYLER GOUTHRO, ERIKA DE WINTER, DANIEL GRENON Chilopoda

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Evolution Two hypotheses : 1. scutigeromorph-like (elongation) 2. geophilomorph-like (tachygenesis) Five subgroups Forefront of evolutionary studies. Fossil records of 420 million years

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Characteristics Multiple Segments 15-191 Pairs of Legs Few millimetres up to 37 centimetres Two Large Poisonous Fangs, Rear Hind Legs and Antennae Variable Colours; Mainly Dark http://4.bp.blogspot.com/- Q1n6oQipumI/Tawowda46WI/AAAAAAAADWo/jfSgyd HPn6c/s1600/centipede.jpg http://cookislands.bishopmuseum.org/MM/MX5/5AT505_Scol- subs_RR2_GM4_MXa.jpg

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Habitat and Population Live in damp places Found on all continents except Antarctica Have population densities around 8-65 organisms/metre squared http://farm3.staticflickr.com/2575/3784516262_61de8fe9ee_z.j pg?zz=1 http://biology.unm.edu/ccou ncil/Biology_203/Images/Pr otostomes/centipedes.jpg

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Diet/Feeding Feed on insects, spiders, worms Larger species can eat lizards, snakes, small mammals Detect prey with antennae stun or kill with venom from fangs

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Reproduction Sperm transfer is indirect Male constructs web from glands in posterior end Spermatophore emitted and placed in web Female picks up and places in her gonopore. 15-35 eggs laid in soil or hollowed out wood Female winds body around egg mass and guards

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Bibliography http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1692478/pdf/10087567.pdf http://www.biomedsearch.com/article/Studies-centipede-communities-Chilopoda- from/204859786.html http://animals.jrank.org/pages/2545/Centipedes-Chilopoda-HOUSE-CENTIPEDE- Scutigera-coleoptrata-SPECIES-ACCOUNTS.html http://animals.jrank.org/pages/2546/Centipedes-Chilopoda.html http://www1.broward.edu/~fsearcy/Zoology/Adobe_pdf/CHILOPODA.pdf http://www.ecosystemworld.com/classifylife/Chilopoda.htm http://books.google.ca/books?id=T3FEKopUFkUC&pg=PA217&lpg=PA217&dq=ce ntipede+with+the+most+legs&source=bl&ots=7B3hVsZYOD&sig=7zlpp0VySUXL1 VV0WEoJV4ZWHVI&hl=en&sa=X&ei=dVg1UciZF4ei2wWB9YAI&ved=0CGEQ6A EwCg#v=onepage&q=centipede%20with%20the%20most%20legs&f=false http://extension.usu.edu/files/publications/factsheet/ENT-53-08.pdf http://www.ento.csiro.au/education/allies/chilopoda.html http://www.ncbi.nlm.nih.gov/pubmed/16872257 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1692478/