Scientific illustration of Parasyscia terricola ant - showing key identification features including head, thorax, and gaster.

Parasyscia terricola

Non-Parasitic Queen No Gamergate
Sci. Name
Parasyscia terricola
Subfamily
Dorylinae
Author
Mann, 1919
Distribution
Found in 1 countries

Introduction

Parasyscia terricola is a small ant from the Solomon Islands, first described in 1919. Workers are dark brown to black, but specific size measurements are unknown. This species is endemic to the Solomon Islands, recorded from islands like Makira, Guadalcanal, Three Sisters, Isabel, and Florida . It has a complex taxonomic history, originally described as Cerapachys terricola, later synonymized, and now placed in Parasyscia . Like other Dorylinae, it is predatory and likely part of the forest floor ecosystem.

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Status by country, from Kass et al. 2022 & Wong et al. 2023

Native Invasive Introduced (indoor) Intercepted Unknown
2000 - 2026

Quick Summary

  • Difficulty: Unknown, no captive husbandry data available
  • Origin & Habitat: Solomon Islands (Oceania region), found on multiple islands including Makira, Guadalcanal, Three Sisters, Isabel, and Florida. They likely inhabit forest floor environments [1][2][3].
  • Colony Type: Colony structure is unconfirmed. Dorylinae species typically have single-queen colonies, but specific data for Parasyscia terricola is lacking.
  • Size & Growth:
    • Queen: Unknown, queen has not been described in the original literature
    • Worker: Unknown, specific measurements not provided in available literature
    • Colony: Unknown, no colony size data available
    • Growth: Unknown
    • Development: Unknown, no development data available for this species (Development timeline has not been studied. Related Dorylinae species typically develop from egg to worker in 4-8 weeks under tropical conditions, but this is an estimate and may not apply to Parasyscia terricola.)
  • Antkeeping:
    • Temperature: Unknown, no specific temperature data. Based on Solomon Islands location (tropical), keep around 24-28°C as a starting point [1][2]. Observe colony activity and adjust accordingly.
    • Humidity: Unknown, no humidity data. Tropical forest floor species prefer moderate to high humidity. Keep substrate consistently moist but not waterlogged [1][2].
    • Diapause: Unknown, as a tropical species from the Solomon Islands, they likely do not require a diapause period, but this is unconfirmed.
    • Nesting: Nesting preferences are unconfirmed. Based on Dorylinae patterns, they likely nest in soil or rotting wood. Use a naturalistic setup with moist substrate and narrow chambers.
  • Behavior: You should note that behavior is poorly documented. Dorylinae ants are typically predatory and forage in small groups or as individuals. Workers are likely small and secretive. Escape risk is unknown but likely moderate given typical Dorylinae worker size. No data on sting potency exists, though Dorylinae ants generally have functional stingers.
  • Common Issues: no captive husbandry information exists, this species has never been kept in captivity., colony structure and founding behavior are completely unstudied., obtaining this species would likely require field collection in the Solomon Islands., temperature and humidity requirements are unknown and must be inferred from related species., growth rate and development timeline are unknown, making colony management difficult.

Species Background and Taxonomy

Parasyscia terricola has a complex taxonomic history. It was first described by Mann in 1919 as Parasyscia terricola from the Three Sisters Islands. Later, Wilson synonymized it with Lioponera inconspicua in 1959,but Brown revived it as a valid species in 1975. In 2016,Borowiec moved it to Parasyscia during a revision of Dorylinae. The queen caste has never been described [2][1][3].

Distribution and Habitat

This species is endemic to the Solomon Islands, a remote archipelago in the southwestern Pacific Ocean. Records exist from multiple islands including Makira, Guadalcanal, Three Sisters Islands, Isabel Island, and Florida Island. The Solomon Islands feature a tropical rainforest climate with high year-round temperatures and humidity. As a Dorylinae species, Parasyscia terricola likely inhabits the forest floor, where it hunts for small prey in leaf litter and soil [1][2].

Current State of Knowledge

Parasyscia terricola is one of the most poorly known ant species in the antkeeping hobby, and indeed in the scientific literature. No captive husbandry information exists, this species has never been documented in captivity. The basic biology that antkeepers need to successfully keep a species (queen size, colony structure, founding behavior, development time, temperature/humidity preferences, diet) remains completely unstudied. The worker caste has not been measured, the queen has never been described, colony size is unknown, and even the basic behavior patterns are not documented. What we know comes from a handful of museum specimens collected between 1916-1919 and occasional subsequent records. [2][1]

Related Species and Inferences

While we have no specific data for Parasyscia terricola, we can make some educated inferences from what is known about the genus Parasyscia and the broader Dorylinae subfamily. Parasyscia species are small, predatory ants that typically hunt small invertebrates in leaf litter and soil. Dorylinae ants are known for their predatory habits and typically have semi-claustral founding, where the queen must leave the nest to hunt during the founding stage. However, these are general patterns and may not apply to this specific species. The Solomon Islands location suggests they are adapted to tropical conditions with year-round warmth and high humidity. Any attempt to keep this species would essentially be experimental and would require careful documentation to advance our knowledge.

Frequently Asked Questions

Can I keep Parasyscia terricola in captivity?

This is unknown, no records exist of this species being kept in captivity. The species has never been documented in the antkeeping hobby, and basic biological information needed for captive care (founding behavior, temperature/humidity preferences, diet) has not been studied.

Where can I get Parasyscia terricola ants?

This species is not available through commercial antkeepers. It is endemic to the Solomon Islands and has never been documented in the ant trade. Obtaining this species would require field collection in the Solomon Islands, which presents significant practical and legal challenges [1].

What do Parasyscia terricola ants eat?

This is unconfirmed. Like other Dorylinae ants, they are likely predatory and feed on small invertebrates such as springtails, mites, and other micro-arthropods found in leaf litter. However, no specific feeding observations have been documented for this species.

How big do Parasyscia terricola colonies get?

Unknown, no colony size data exists in the scientific literature. The largest colony recorded remains undocumented. Related Dorylinae species vary widely in colony size from dozens to thousands of workers.

What is the difficulty level for keeping Parasyscia terricola?

Cannot be assessed, this species has never been kept in captivity. There is no husbandry information available, making it impossible to evaluate difficulty. It would be an entirely experimental species to keep.

What temperature do Parasyscia terricola ants need?

Unknown, no specific temperature data exists. Based on the Solomon Islands location (tropical), a starting point of 24-28°C would be reasonable, but this is purely an estimate with no experimental validation.

Do Parasyscia terricola ants need hibernation?

Unknown, no seasonal data exists. As a tropical species from the Solomon Islands near the equator, they likely do not require a diapause period, but this is unconfirmed.

How long does it take for Parasyscia terricola eggs to become workers?

Unknown, no development data exists for this species. Related Dorylinae species in tropical conditions typically develop from egg to worker in 4-8 weeks, but this is a rough estimate that may not apply.

Is Parasyscia terricola a good species for beginners?

No, this species is not recommended for any level of antkeeping due to complete lack of husbandry information. There are no established care guidelines, and keeping this species would essentially be experimental research rather than standard antkeeping.

What nest type is best for Parasyscia terricola?

Unknown, no captive nesting data exists. Based on typical Dorylinae preferences, a naturalistic setup with moist substrate and narrow chambers would be a reasonable starting point, but this is entirely speculative.

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References

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