Greenhouse camel cricket

The greenhouse camel cricket (Diestrammena marmorata) is an insect belonging to the order Orthoptera and the family Rhaphidophoridae. Often referred to as a cave cricket due to its physical appearance, this species has successfully adapted to human-made structures, particularly greenhouses, where the environment remains consistently humid and warm.

This pest poses a significant threat to greenhouse agriculture and indoor horticulture. It causes damage to a variety of plants, including vegetable seedlings, leafy greens, and ornamental species. By consuming foliage and succulent stems, these crickets can quickly ruin the aesthetic and commercial value of greenhouse produce.

The life cycle of the greenhouse camel cricket is characterized by incomplete metamorphosis. Females typically deposit their eggs in moist soil or organic mulch, which are optimal environments for successful hatching. Because greenhouses provide stable conditions throughout the year, the insect can bypass natural seasonal pauses, leading to rapid population growth.

The damage caused by these insects is largely mechanical. They bite irregular, ragged holes in leaf edges and stems. Due to their nocturnal nature, they hide in dark, damp corners during the day, making them difficult to detect until substantial damage to the vegetation is already visible to the grower.

Integrated pest management is the most effective approach for controlling this cricket. Growers should focus on sanitation and physical exclusion to limit infestation.

• Maintain cleanliness by removing debris and weeds that serve as daytime shelters.
• Install fine-mesh screening on ventilation openings to prevent entry.
• Apply targeted insecticides labeled for greenhouse use if population levels exceed the economic threshold.
• Regularly monitor the facility during nighttime hours using flashlights to assess population density.