Cockroach egg case (Ootheca)
Scientific Name: Supella longipalpa (or similar Blattodea species)
Order & Family: Order: Blattodea; Family: Blattellidae or Blattidae
Size: 3mm to 12mm depending on the species; often reddish-brown or dark brown in color.
Natural Habitat
Typically found in warm, dark, and secluded indoor areas such as cupboards, behind appliances, or in crevices.
Diet & Feeding
Not applicable (egg stage); however, emerging nymphs eat organic decaying matter and starches.
Behavior Patterns
Cockroaches glue these cases to surfaces or drop them near food/water sources. They contain multiple eggs, typically ranging from 10 to 50 depending on the cockroach species.
Risks & Benefits
Significant indoor pest risk; cockroaches are known vectors for bacteria, allergens, and asthma-triggering pathogens.
Identified on: 1/12/2026