HARPAPHE HAYDENIANA PDF

Harpaphe haydeniana (the yellow-spotted millipede, almond-scented millipede or cyanide millipede) is a species of polydesmidan (‘flat-backed’) millipede. English: Harpaphe haydeniana is a millipede native to the Pacific Northwest of North America. Individuals with similar coloration outside of this. General Description. Harpaphe haydeniana, in the Order. Polydesmida (flat- backed millipede), is also known as the almond-scented millipede.

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haydsniana The first and last segments are legless. Harpaphe haydeniana occurs from southeast Alaska south to Monterey County, Californiaas far east as the Sierra Nevada mountains. Two other species of Harpaphe H. Paradoxosomatidae in Singapore” PDF. Range West Coast of NA: Segments are added at each molting period, and they get increasingly darker with yellow patches becoming more prominent.

Reproduction occurs in spring. Harpaphe haydeniana is a Polydesmoid millipede.

Life expectancy is about years. Individuals may live for 2—3 years. Millipedes also curl up in tight coils when threatened.

Several hundred small eggs are laid in loose clusters in soil or leaf debris. It has a shiny black body sometimes with a bluish-green sheen with bright yellow patches on the outside portion of most segments.

Category:Harpaphe haydeniana – Wikimedia Commons

There are a total of approximately 20 body segments with two pairs of legs with each segment. Contributed by Lynette Elliott on 16 April, – haydeniaana Many millipedes with bright color patterns secrete a compound containing cyanide.

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Archived from the original on August 8, Insects of the Pacific Northwest. Harpaphe haydeniana is an important part of the forest ecosystembreaking down leaf litterand freeing up its nutrients for other organisms. West Coast of Haydeeniana From Wikipedia, the free encyclopedia.

This behaviour gives rise to the common names “cyanide millipede” and “almond-scented millipede” since cyanide smells of almondsalthough cyanide secretion is not unique to H. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse hatdeniana world. The difference between males and females is due to one pair of legs on the seventh segment in males being modified to form gonopods used for sperm transfer.

Harpaphe haydeniana reach a length of 4—5 centimeters 1.

ARCHIVE – Harpaphe haydeniana – ize

Size maximum length of 40 mm Identification A millipede with a flattened body. By using this site, you agree to the Terms of Use and Privacy Policy. Harpaphe haydeniana has few predatorsdue to its aposematic coloration and its ability to secrete hydrogen cyanide when threatened.

Articles with ‘species’ microformats Commons category link is defined as the pagename. Dedicated naturalists volunteer their time and resources here to provide this service.

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Developing individuals are much paler than adults. Upcoming Events Discussioninsects and people from the BugGuide Gathering in VirginiaJuly Photos of insects and people from the gathering in HaydrnianaJuly Photos of insects and people from the gathering in VirginiaJune A millipede with a flattened body.

Retrieved March 26, Photos of insects and people from the gathering in ArizonaJuly Photos of insects and people from the gathering in Alabama Photos of insects and people from the gathering in Iowa Photos from the Workshop in Grinnell, Iowa Photos from the gathering in Washington. This page was last edited on 15 Julyat Bugguide is hosted by: Harpaphe haydeniana is an important part of the forest ecosystem here in the Pacific Northwest with its role in regulation of plant litter decomposition and nutrient cycling.

The ground beetle Promecognathus laevissimus is known to be a hagpaphe predator.

Harpaphe haydeniana

Harpaphe haydeniana Scientific classification Kingdom: Harpaphe haydeniana From ize. Dedicated naturalists volunteer their time and resources here to provide this service. Synonyms and other taxonomic changes.