Crematogaster dhofarensis

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Known only from a single location in the Dhofar Governorate of Oman, found at 767m elevation in a dry, arid, sandy gravelly habitat. The region experiences extremely hot, desert-like conditions with sparse vegetation including Herniaria hemistemon, Plantago ovata, and various grasses ^[1].
• Colony Type: Colony structure is unconfirmed for this newly described species.
• Size & Growth:
  • Queen: Not yet described ^[1]
  • Worker: 3.77mm total length ^[1]
  • Colony: Unknown, no colony data published
  • Growth: Unknown, no development data available
  • Development: Estimated 6-8 weeks based on typical Crematogaster patterns (No direct development data exists for this species. Estimates are based on genus-level patterns for small ants. Development likely depends heavily on temperature.)
• Antkeeping:
  • Temperature: Keep at 26-32°C, inferred from the hot arid conditions of their Oman habitat where temperatures regularly exceed 40°C in summer ^[1]. A heating cable on one side of the nest creates a temperature gradient.
  • Humidity: Keep relatively dry, this is a desert species from an arid region. The nest substrate should be lightly moistened but allowed to dry between water additions. Avoid damp conditions. Provide a small water tube for drinking access.
  • Diapause: Likely minimal or no true diapause, the Dhofar region of Oman remains warm year-round ^[1]. A brief cooling period (2-4 weeks at 18-20°C) during winter months may benefit colonies but is optional.
  • Nesting: Y-tong (AAC), plaster, soil nests, or 3D-printed nests work well given their tiny 3.77mm worker size. Provide tight chambers and narrow passages scaled to their small size. A small dirt colony setup with minimal moisture mimics their natural dry habitat. Escape prevention is critical, they are tiny and will squeeze through standard gaps.
• Behavior: Crematogaster dhofarensis displays typical acrobat ant behavior, when disturbed, workers raise their abdomen over their head in a defensive posture ^[2]. They are small but may attempt to sting if handled roughly. Their small size means escape prevention must be excellent, use fine mesh and tight-fitting lids. They likely forage for small insects and tend aphids for honeydew, similar to related species ^[2]. Workers are active foragers and will readily explore their outworld for food.
• Common Issues: escape prevention is critical due to their tiny 3.77mm size, standard formicarium gaps are too large, humidity management is tricky, too wet causes mold and colony loss in this desert species, no published care information exists yet, keepers must adapt from related species, slow colony growth is common with newly described species as they adjust to captivity, wild-caught colonies may carry parasites that can devastate captive populations

Housing and Nest Setup

Given their tiny 3.77mm size, standard formicarium chambers are often too large for these ants. Y-tong (AAC) nests, plaster nests, or 3D-printed nests with tight chambers work best. The nest should be kept relatively dry, this is a desert species from arid Oman, not a tropical rainforest ant. Use a small outworld container with excellent escape prevention. Fine mesh on all ventilation holes is essential. A small water tube provides drinking access. For the nesting material, slightly damp sand or soil works well, but allow it to dry partially between water additions. ^[1]

Feeding and Diet

Like most Crematogaster species, these ants are omnivorous and will accept both sugar and protein sources. Offer sugar water (1:1 ratio) or honey water as a constant energy source. For protein, small live prey is ideal, fruit flies, pinhead crickets, or small mealworms. They may also accept honeydew if you keep aphids, though this is optional. Feed protein every 2-3 days and keep sugar water available at all times. Remove uneaten prey after 24 hours to prevent mold. ^[2]

Temperature and Heating

Crematogaster dhofarensis comes from the hot, arid Dhofar region of Oman where temperatures regularly exceed 40°C during summer ^[1]. Keep nest temperatures between 26-32°C for optimal activity and brood development. A heating cable placed on one side of the nest creates a thermal gradient allowing ants to self-regulate. Room temperature alone may be insufficient unless your home stays consistently warm. Monitor with a thermometer placed near the nest. Avoid temperatures below 22°C for extended periods.

Humidity Management

This is a critical aspect of keeping this species successfully. Their native habitat in Oman is extremely dry and arid, think desert conditions, not tropical rainforest ^[1]. Keep the nest substrate lightly moist but allow it to dry between water additions. Too much humidity causes mold and can kill colonies. A small water tube for drinking access is more important than high ambient moisture. If you see condensation building up inside the nest, the setup is too wet, increase ventilation and reduce water.

Behavior and Temperament

As with all Crematogaster species, these ants have a distinctive defensive behavior where they raise their abdomen over their head like an acrobat when threatened ^[2]. This posture allows them to aim their stingers at potential threats. While their sting is not particularly painful to humans due to their tiny size, some discomfort may occur. They are active foragers and will readily search their outworld for food. Their small size makes them excellent escape artists, always use fine mesh and check for gaps. They are not aggressive toward humans but will defend their nest if provoked.

Frequently Asked Questions

Report an Issue

The current care sheet is based fully on literature. See inconsistencies, or something that's incorrect? Please report here, it will be resolved after review from an admin. Contributing to the blogs tab also helps providing information, to make us be able to further improve the caresheets. Thank you for your support!

References