Pterostichus stygicus
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| Pterostichus stygicus | |
| Systematik | |
|---|---|
| Domän | Eukaryoter Eukaryota |
| Rike | Djur Animalia |
| Stam | Leddjur Arthropoda |
| Understam | Sexfotingar Hexapoda |
| Klass | Egentliga insekter Insecta |
| Ordning | Skalbaggar Coleoptera |
| Familj | Jordlöpare Carabidae |
| Släkte | Pterostichus |
| Art | Pterostichus stygicus |
| Vetenskapligt namn | |
| § Pterostichus stygicus | |
| Auktor | Say, 1823 |
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Pterostichus stygicus[1] är en skalbaggsart som beskrevs av Thomas Say 1823. Pterostichus stygicus ingår i släktet Pterostichus och familjen jordlöpare.[2][3] Inga underarter finns listade i Catalogue of Life.[2]
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Källor
- ^ (1996) , database, NODC Taxonomic Code
- ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (1 september 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/pterostichus+stygicus/match/1. Läst 24 september 2012.
- ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26
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Författare/Upphovsman: Socha J, Westneat M, Harrison J, Waters J, Lee W, Licens: CC BY 2.0
Movements of the foregut and gut contents of the carabid beetle Pterostichus stygicus. View (3.3 × 2.5 mm) is a dorsoventral projection through the pterothorax, posterior to the mesocoxae (circular structures seen at top of image). The beetle (mass ~210 mg) was fed macerated larva sprinkled with cadmium powder to increase x-ray (25 keV) absorption contrast; the gut boundaries and food movement can only be seen in places with cadmium powder. In this sequence, the crop (bag-like structure, center left) is squeezed anteriorly and then slowly settles back into its initial orientation. Mixing movements and peristalsis of the proventriculus (cylindrical structure, right side) can also be seen. Note that the proventriculus is closed, preventing food from moving posteriorly into the midgut. Dark bands on the left side of the video are artifacts from the incident beam.
Författare/Upphovsman: Socha J, Westneat M, Harrison J, Waters J, Lee W, Licens: CC BY 2.0
Movements of the foregut and gut contents of the carabid beetle Pterostichus stygicus. View (3.3 × 2.5 mm) is a dorsoventral projection through the pterothorax, posterior to the mesocoxae (circular structures seen at top of image). The beetle (mass ~210 mg) was fed macerated larva sprinkled with cadmium powder to increase x-ray (25 keV) absorption contrast; the gut boundaries and food movement can only be seen in places with cadmium powder. In this sequence, the crop (bag-like structure, center left) is squeezed anteriorly and then slowly settles back into its initial orientation. Mixing movements and peristalsis of the proventriculus (cylindrical structure, right side) can also be seen. Note that the proventriculus is closed, preventing food from moving posteriorly into the midgut. Dark bands on the left side of the video are artifacts from the incident beam.