Messor platyceras
- Sci. Name
- Messor platyceras
- Tribe
- Stenammini
- Subfamily
- Myrmicinae
- Author
- Crawley, 1920
- Distribution
- Found in 1 countries
Introduction
Messor platyceras is a harvester ant species native to northwest Iran, first described in 1920 and restored as a valid species in 2019 . Workers have distinctive morphological features including a flattened first funiculus segment that is twice as long as broad with parallel sides, strong body sculpture, and a longitudinally striated base to the gaster . Colouration varies - workers in the same nest can be almost completely black or have a partly reddish mesosoma . This species is found at altitudes between 1515-2531 meters in habitats ranging from grazing areas and oak forests to agricultural farmland .
Quick Summary
- Difficulty: Medium
- Origin & Habitat: Northwest Iran, found in varied habitats including grazing areas, oak forests, alfalfa farms, wheat farms, and agricultural land at elevations of 1515-2531 meters [1]
- Colony Type: Colony structure unconfirmed, available data shows worker counts of 9-138 per colony from field samples [1]
- Size & Growth:
- Queen: size data unavailable
- Worker: size data unavailable
- Colony: Up to 138 workers observed in field samples [1]
- Growth: Moderate, growth rate data unavailable
- Development: Development time unconfirmed (No specific development data available for this species)
- Antkeeping:
- Temperature: Keep at room temperature (20-25°C), specific requirements unconfirmed
- Humidity: Provide a humidity gradient with a moist nesting area and dry seed storage area
- Diapause: Likely required, this is a temperate species from Iran with seasonal activity patterns (March to August) [1]
- Nesting: Y-tong or plaster nests work well. Provide sand or soil substrate for natural foraging behavior. They collect and store seeds in the nest.
- Behavior: Harvester ants known for collecting and storing seeds. Workers are active foragers and can be defensive when threatened. They are granivorous but also accept protein sources like insects. Moderate escape risk, medium-sized ants that can climb smooth surfaces.
- Common Issues: colonies may fail if kept too wet, ensure proper ventilation and allow substrate to dry between waterings, seed storage behavior can lead to mold if humidity is too high, temperate origin means they likely need hibernation, skipping diapause may weaken colonies over time, foraging workers may escape if formicarium connections to outworld are not secure, limited availability since this species is rarely kept in captivity
Nest Preferences and Housing
Messor platyceras does well in Y-tong or plaster formicariums that allow for humidity control while maintaining dry seed storage areas. In the wild, they nest in soil and collect seeds, so provide a substrate mix of sand and soil in the outworld for natural foraging behavior. The nest chamber should be dark and secure. A test tube setup can work for founding colonies, but transfer to a proper formicarium once the colony reaches 20-30 workers to allow for seed storage behavior. Ensure the nest has multiple chambers so the colony can organize brood, food storage, and waste separately. [1]
Feeding and Diet
As harvester ants, Messor platyceras primarily collects and stores seeds. Provide a variety of seeds including grass seeds, millet, and bird seed mixes. They will crack open seeds and consume the internal nutrients. Supplement their diet with small insects like fruit flies, small crickets, or mealworms for protein, this is especially important during colony growth when brood production is high. Sugar water or honey can be offered occasionally but is not a primary food source. Remove uneaten seeds periodically to prevent mold, and always provide fresh water.
Temperature and Seasonal Care
Maintain temperatures around 20-25°C for optimal colony activity. They originate from the warm temperate regions of Iran. During summer months (March to August), colony activity increases significantly in their natural habitat [1]. In winter, a diapause period is likely beneficial given their temperate origin. A heating cable on one side of the nest can create a temperature gradient allowing ants to self-regulate.
Behavior and Colony Dynamics
Messor platyceras is a typical harvester ant with organized foraging patterns. Workers venture out to collect seeds and bring them back to the nest for storage. They are moderately defensive and will protect their colony if threatened. The colony will establish distinct areas for brood rearing, seed storage, and waste. New colonies grow relatively slowly at first. Field data shows worker counts ranging from 9-138 individuals in natural colonies [1].
Frequently Asked Questions
How long does it take for Messor platyceras to get first workers?
Development time is unconfirmed for this species. Expect several months for founding colonies to produce first workers.
What do Messor platyceras ants eat?
They are primarily seed-eaters, provide various seeds like grass seeds, millet, and bird seed. Supplement with small insects for protein. They will store seeds in the nest.
Do Messor platyceras ants need hibernation?
Likely yes, this is a temperate species from Iran with seasonal activity patterns. They are most active from March to August in the wild.
Are Messor platyceras good for beginners?
They are intermediate-level ants. Their seed-harvesting behavior is interesting but requires proper humidity control. This is a rarely kept species with limited availability.
How big do Messor platyceras colonies get?
Field data shows up to 138 workers per colony. Maximum colony size in captivity is unconfirmed.
Can I keep multiple Messor platyceras queens together?
Colony structure is unconfirmed for this species. Caution is advised as many Messor species are monogyne.
What temperature is best for Messor platyceras?
Keep them at room temperature (20-25°C). They prefer warm conditions matching their Iranian habitat.
Do Messor platyceras ants sting?
They have a stinger but the pain is mild due to their small size. They are not considered dangerous to humans.
When should I move my Messor platyceras colony to a formicarium?
Transfer from a test tube to a proper nest once the colony reaches 20-30 workers. This gives them enough space for seed storage and brood development.
Why are my Messor platyceras dying?
Common causes include: too high humidity leading to mold, improper temperatures, lack of protein during growth periods, or skipping hibernation. Check that substrate dries between waterings and that they have access to both seeds and insects.
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References
This caresheet is licensed under CC BY-SA 4.0 .
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Literature
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