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Araniella cucurbitina
Gemeine Kürbisspinne




Male specimen. Specimen photographed in Göttingen (Niedersachsen, Germany) on June 01, 2008.




Female specimen. Specimen photographed in Göttingen (Niedersachsen, Germany) on June 01, 2008.




Female specimen. Specimen photographed in Göttingen (Niedersachsen, Germany) on June 01, 2008.




Female specimen. Specimen photographed in Göttingen (Niedersachsen, Germany) on May 11, 2008.



Subspecies



Original description


Synonyms
Araneus cucurbitinus Clerck, 1757
Araneus cucurbitinus cucurbitinus Clerck, 1757
Araniella cucurbitina (Clerck, 1757)
Araniella cucurbitina cucurbitina (Clerck, 1757)
Aranea cucurbitina (Clerck, 1757)
Aranea cucurbitina cucurbitina (Clerck, 1757)
Epeira cucurbitina (Clerck, 1757)
Miranda cucurbitina (Clerck, 1757)
Aranea frischii Scopoli, 1763
Aranea octopunctata Linnaeus, 1767
Aranea viridispunctata De Geer, 1778
Aranea depressa Razoumowsky, 1789
Epeira squamosa Seidel, 1849
Epeira cossoni Simon, 1885
Araneus cossoni (Simon, 1885)
Araneus cucurbitinus typicus Kulczynski, 1905




Identification
Araniella cucurbitina and Araniella opisthographa are extremely similar. To my knowledge, the females cannot be separated with confidence. There is a slight difference in the length of the scapus of the female genitalia, but this is difficult to see on a single individual and is only becoming obvious if larger series are available. The males differ in their palp morphology. Araniella cucurbitina has a short median apophysis with a kink that gives the apophysis a hook-shaped appearance, whereas this apophysis is long, and smoothly curved along its entire length in Araniella opisthographa. In addition, the hair pattern on the ventral side of the femur of the first walking leg differs between the two species. The males of Araniella cucurbitina have a clear gap in the hair pattern, usually only 3 basal and 1 apical hair, whereas Araniella opisthographa has a pattern of 7 (sometimes 8) hairs, regularly spaced all along the ventral side of the femur. Some authors claim that the number black spots along the sides of the opisthosoma can also be used to distinguish between the species, but this is incorrect. In both species the number of lateral spot pairs varies between 3-5 (usually 4).


Distribution



Biology
















This page has been updated on March 21, 2012
This site is online since May 31, 2005
Copyright © by Nikola-Michael Prpic. All rights reserved.



Related information:

Subspecies

Original description

Synonyms

Identification

Distribution

Biology


References