Dolichoderus attelaboides

Dolichoderus attelaboides

Dolichoderus attelaboides is a Neotropical ant species found across northern South America from Colombia to southern Brazil. Workers are 3-4mm with a distinctive appearance featuring strong sculpture on the head and mesosoma, long propodeal spines, and erect hairs covering the body. They have a well-developed occipital neck and their eyes do not extend beyond the lateral margins of the head. This species is notable for nesting in epiphytic bromeliads, building nests between leaf sheaths with a characteristic cardboard-like material made from plant fibers. They produce a Tapinoma-like odor when disturbed as a defense mechanism. The species has been documented as prey of army ants (Eciton hamatum and Eciton rapax) and is parasitized by specialized Cordyceps fungi.

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Found across the Neotropical region including Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Trinidad. Inhabits rainforest environments, typically nesting in epiphytic bromeliads and occasionally in tree bark crevices ^[1][2][3].
• Colony Type: Colony structure is not well-documented in research. Single-queen colonies are likely based on typical Dolichoderus patterns.
  • Colony: Monogyne
  • Founding: Claustral
• Size & Growth:
  • Queen: Estimated 5-6mm based on genus patterns
  • Worker: 3-4mm ^[2]
  • Colony: Unknown, likely moderate colonies based on related species
  • Growth: Moderate, inferred from typical Dolichoderus development
  • Development: 6-10 weeks estimated based on genus patterns (Development timeline not directly studied for this species. Estimates based on typical Dolichoderus development at tropical temperatures.)
• Antkeeping:
  • Temperature: Keep at 24-28°C. As a tropical species from lowland rainforests, they need warm, stable conditions. A heating cable on one side of the nest creates a suitable gradient.
  • Humidity: High humidity is essential, they naturally inhabit rainforest environments with epiphytic bromeliads. Keep nest substrate consistently moist but not waterlogged. Mist occasionally and provide a water source.
  • Diapause: No, as a tropical species, they do not require hibernation. Maintain warm conditions year-round ^[4].
  • Nesting: In captivity, they do well in naturalistic setups that mimic their natural bromeliad nesting sites. Y-tong nests or acrylic nests with moist substrate work well. They prefer tight, humid chambers. Avoid dry conditions.
• Behavior: Dolichoderus ants are generally non-aggressive but will defend their nest. Workers are moderately active and forage for honeydew and small prey. They have a defensive secretion that produces a Tapinoma-like odor when threatened ^[5]. Escape prevention should be moderate, they are not particularly small but use standard barrier methods. They are known to be preyed upon by army ants, indicating they are not highly aggressive or defensive in the wild ^[6].
• Common Issues: tropical species requires warm, humid conditions, dry or cool environments will kill colonies, nesting in bromeliads means they need high humidity and may struggle in standard dry test tube setups, wild-caught colonies may have parasites including Cordyceps fungi that can kill them in captivity ^[6], slow founding phase means colonies can stall if conditions aren't optimal, they produce defensive secretions that may cause stress in enclosed spaces without ventilation

Natural Nesting and Housing

In the wild, Dolichoderus attelaboides nests in epiphytic bromeliads, creating chambers between leaf sheaths. They construct a distinctive cardboard-like material from glued and felted plant fibers to seal nest entrances, which also extends into nearby bark crevices ^[1]. For captive care, recreate these conditions using naturalistic setups with moist substrate. Y-tong nests or acrylic nests with tight chambers work well. The key is maintaining high humidity, these are rainforest ants that need consistently moist conditions. Avoid dry test tube setups that would work for temperate species.

Feeding and Diet

Like other Dolichoderus species, they likely feed on honeydew from sap-sucking insects and small arthropods. In captivity, offer sugar water or honey regularly, along with small protein sources like fruit flies, small crickets, or other micro-prey. They have a thoracic crop for food storage, similar to other Dolichoderinae workers ^[7]. Feed protein 2-3 times per week and provide constant access to sugar sources. Remove uneaten prey within 24 hours to prevent mold.

Temperature and Humidity Requirements

As a tropical lowland species, they require warm temperatures between 24-28°C. Room temperature may be insufficient in cooler climates, use a heating cable on one side of the nest to create a gradient. High humidity is critical, aim for 70-80% relative humidity. Mist the nest occasionally and keep the substrate moist. These conditions reflect their natural bromeliad habitat in rainforest environments. Poor humidity is one of the most common causes of colony failure with this species. ^[2][3]

Defense and Behavior

When threatened, workers produce a distinctive Tapinoma-like odor from their anal glands as a defensive mechanism ^[5]. Their venom forms a tough, resinous yellow coagulum. They are not particularly aggressive and are known to be preyed upon by army ants, suggesting they rely more on cryptic nesting than active defense ^[6]. In captivity, they are manageable ants that won't aggressively swarm intruders, but the odor they release can be unpleasant in enclosed spaces. Ensure adequate ventilation.

Growth and Development

The chromosome number for this species is 2n = 58,the highest recorded within Dolichoderinae ^[8]. This is part of the D. attelaboides species complex. Development time from egg to worker is not directly documented, but based on typical Dolichoderus patterns in tropical conditions, expect 6-10 weeks. Colonies likely grow moderately, reaching several hundred workers. The founding phase can be slow, queens seal themselves in and require stable, humid conditions to raise the first workers.

Seasonal Care

As a tropical species from northern South America, Dolichoderus attelaboides does not require hibernation or diapause. Maintain warm, humid conditions year-round. In their natural range, temperatures remain relatively stable throughout the year. Avoid temperature drops below 20°C, which could stress or kill colonies. They are active year-round in captivity when kept warm. ^[4]

Frequently Asked Questions

References