Crematogaster rudis

Crematogaster rudis
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Crematogaster rudis
Reference : CRFOUR-020
Latin name: Crematogaster rudis

Taxonomy: Subfamily: Myrmicinae Tribes: Crematogastrini

Breeding level: Beginner

Geographical distribution: Argentina, Bolivia, Brazil, French Guiana

Habitat: Forest edges, secondary forest

Colony form: Monogyne

Queen: Size: 6 mm Color: red-brown head / thorax, gastre brown

Workers: Size: 3 mm Color: red-brown head / thorax, gaster brown

Male: Size: 3 mm Color: Black

Food: Honeydew and insectivores, such as mealworms, flies, mosquitoes, crickets etc ...

Humidity: Hunting area: 30 - 50% Nest: 50 - 70%

Temperature: Hunting area: 21 - 30 ° C Nest: 24 - 28 ° C

Hibernation: No

Type of nest: Plexiglas nest, nest with tubes, reconstituted stone nest.

Description: This species is said to be “nesting in the woods” or “lignicolous” (which lives in the woods) or even “acrobat” ant because they defend themselves by a particular means. Indeed, they have the ability to be able to lift their abdomen above their heads and bead (create) at the end of their sting a droplet of venom containing acetic acid. The vaporized acetic acid acts as an alarm: the worker who emits the venom warns other workers of danger. The period between laying and the appearance of the worker is long, it will be necessary to wait until the first fortnight of workers to see the growth accelerate. They all have an ace of spades shaped abdomen. This wood ant breeds aphids (in nature) in order to feed on sugary liquids.

Development: Swarming September to the end of October.

Foundation: takes place in a cloistered manner (without food) Development: 30 days from egg to worker (depending on temperature)

Size of the colony: This species has an impressive development and forms large colonies Up to 30,000 individuals, the queen can reach the age of 12 years.

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