synema globosum

  • Synema_globosum by Esculape
  • Synema_globosum by Hectonichus
  • Synema_globosum by Pierre Oger

Synema globosum
The Napoleon spider
Synaema globosum (this spelling is now incorrect.)
Classification
Reigns Animalia
Phylum Arthropoda
Sous-embr. Chelicerata
Class Arachnida
Order Araneae
Suborder Araneomorphae
Family Thomisidae
Genus Synema
Binomial name Synema globosum (Fabricius, 1775)

Synema globosum is a species of Spider belonging to the family of the Thomisidae. It is called Thomise globose, globular Thomise, spider-crab or spider Napoleon.

Distribution
This species occurs in the Palearctic. It is common throughout the Mediterranean region.

Habitat
Found on flowers, watching his prey.
(often on flowers of Cistus, fennel, umbelliferae, Marigold, chrysanthemum, Daisy, rose depending on the season)
Flower-filled meadows, roadsides, forest edges.
This is one of the rare predatory ants spiders.
Male, more rare than the female, is usually held in land between herbs and leaves of plants. He climbs onto the rods that at the time of the coupling, i.e., in June.

Description
7-8 mm for females; 2-4 mm for males.
She had the body smooth and shiny.
Cephalothorax and legs Brown dark to black.
These spiders have four colors to their abdomen: white, yellow, black and red.
Flower insects are captured by its long forelimbs.
The party colored of her abdomen may have variations in shades pulling on the orange, yellow, white.
The distinctive black pattern on the abdomen reminds the silhouette of a bust of Napoleon 1st and explains its vernacular name of «Spider» Napoleon
The two pairs of front legs, used to kill insects that come to forage the flowers are much more developed than the two pairs of hind legs which have rather a function of locomotion.
The legs are all ringed, the legs I and II are darker than the III and IV
See the palps and epigynous

Reproduction
The thomise landscape is a retreat by assembling rods. After having been fertilized, the female lays eggs which protects manufacturer a cocoon hidden in vegetation. After birth, the young spiders disperse.

Picture 1 Aesculapius  Source http://upload.wikimedia.org/wikipedia/commons/a/aa/Synema_globosum_0020.JPG
Photo 2 Hectonichus   Source http://upload.wikimedia.org/wikipedia/commons/b/b3/Thomisidae_-_Synema_globosum.JPG?uselang=fr
Picture 3 Pierre Oger  Source http://www.galerie-insecte.org/galerie/view.php?adr=image/ dos46/temp/dsc_4972crop.jpg

PERIODS D COMMENTS

Mating in June
especially visible from May to August

OBSERVATIONS IN PICARDY

Appendices and bibliography

Referring sites
http://Fr.Wikipedia.org/wiki/Synema_globosum



Synonyms

Aranea globosa Fabricius, 1775
Aranea plantigera Rossi, 1790
Aranea irregularis Panzer, 1801
Aranea rotundata Walckenaer, 1802
Diaea nitida L. Koch, 1878
Synema japonica Karsch, 1879
Diaea kochi Thorell, 188
Synema globosum canariense
Dahl, 1907
Diaea nitidula Mello-Leitão, 1929
Synema globosum daghestanicum
Utochkin, 1960

Fabricius, 1775: Systema entomologiæ, sistens insectorum classes, ordines, genera, species, adiectis, synonymis, locis desc

Published May 5, 2013 Naturamediterraneo
Synema globosum che rinuncia a predare una Tropinota hirta.
(Synema globosum waives prey Epicometis hirta (synonym: Tropinota hirta), also known as Hirta cetonia)