Froggattella kirbii

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Froggattella kirbii is endemic to Australia, found in disjunct regions: south-eastern Australia, south-western Western Australia, coastal northern Queensland, and the Darwin/Kimberley areas ^[1]. It inhabits drier sclerophyll woodlands, including mallee, and avoids wet sclerophyll woodlands and rainforests ^[1][3].
• Colony Type: Colony structure is unconfirmed. Workers are commonly observed foraging on tree trunks, low vegetation, and the ground ^[3].
• Size & Growth:
  • Queen: ~7-8.5 mm ^[1]
  • Worker: ~3.5-3.7 mm ^[1]
  • Colony: Unknown, no colony size data available
  • Growth: Unknown, no specific data on growth rate
  • Development: Unknown, no direct studies on development time (Development time is unconfirmed for this species.)
• Antkeeping:
  • Temperature: Keep warm and stable, roughly low-to-mid 20s°C, based on Australian tropical/subtropical origin ^[4]. A temperature gradient allows workers to regulate preference.
  • Humidity: Keep nest substrate consistently moist but not waterlogged, as this species inhabits drier woodlands ^[1][3].
  • Diapause: Unknown, no information on diapause requirements for this species.
  • Nesting: In nature, they nest in rotten wood above ground, such as stumps or dead branches ^[1]. In captivity, use wooden nests like Y-tong (AAC), plaster, or soil-based nests, with chambers scaled to worker size. Avoid acrylic nests.
• Behavior: Workers are day-active foragers that trail on tree trunks, low vegetation, and the ground ^[3]. They evade capture by hiding under bark ^[3] and are attracted to protein sources like minced meat baits ^[5]. They are quick-moving but not particularly aggressive, escape prevention is important due to their small size.
• Common Issues: escape prevention is critical due to small size, use fine mesh and tight barriers, dry habitat requirements may conflict with species needing higher humidity, wild colonies are hard to locate as they nest in elevated rotten wood, fast movement makes handling challenging during transfers

Natural History and Distribution

Froggattella kirbii is endemic to Australia with a disjunct distribution across four regions: south-eastern Australia, south-western Western Australia, coastal northern Queensland, and the Darwin/Kimberley areas ^[1]. Gaps between these regions, like the Nullarbor Plain, have unsuitable climates and vegetation ^[1]. It is a member of the tribe Leptomyrmecini and part of an Australian Dolichoderine radiation ^[6][7]. In southwestern Australia, it avoids wetter areas but is common in wheatbelt and mallee ^[3].

Nest Preferences and Housing

In the wild, this species nests exclusively in rotten wood above ground, such as stumps or dead branches on living trees ^[1]. For captivity, use wooden nests like Y-tong (AAC), plaster, or soil-based formicaria, with chambers scaled to worker size (3.5-3.7 mm). They prefer elevated wooden sites, not ground-level soil nests. Avoid acrylic nests.

Feeding and Diet

Field studies show attraction to protein and fat sources, indicating a predator/scavenger diet ^[5]. Workers are day-active foragers ^[3]. In captivity, offer protein like small insects (fruit flies, mealworms) 2-3 times per week and sugar sources like honey or sugar water. Remove uneaten prey after 24-48 hours to prevent mold.

Temperature and Seasonal Care

Keep temperatures warm and stable, roughly low-to-mid 20s°C, based on Australian origin ^[4]. Create a gradient with heating on one side. Diapause is unknown, no cooling period is confirmed needed.

Behavior and Handling

Workers are quick-moving and evade capture by hiding under bark ^[3]. They trail on trees and ground while foraging. Use fine mesh for ventilation and ensure tight barriers to prevent escapes due to their small size. Queens are larger (7-8.5 mm) and require careful handling.

Field Collection and Acquisition

Find colonies in rotten wood above ground in drier woodlands ^[1]. Workers forage on tree trunks and ground during daylight ^[3]. Collecting queens may require locating nest sites or nuptial flights, but specific timing is unknown.

Frequently Asked Questions

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References