Pest

Thekla lark

Galerida theklae

Description

Systematic position: The Thekla lark (Latin: Galerida theklae) is a member of the order Passeriformes and the family Alaudidae. While generally considered a beneficial species in natural ecosystems, in agricultural contexts, it can act as a pest due to its feeding habits on newly sown seeds and developing grain crops.

Crops damaged: This species primarily impacts cereal crops such as wheat, barley, and millet. It is particularly problematic during the germination phase of these crops, as well as during the grain-filling stage when the lark targets the maturing heads of the plants.

Biology and life cycle: The Thekla lark is a resident species, commonly found in open, arid habitats. Breeding occurs in the spring, and these birds build their nests on the ground. Their diet is seasonal; while they feed on insects during the active growth period, they shift toward seeds and grains as food sources become available in the fields.

Nature of damage and harmfulness: The most significant economic damage occurs when the birds pull up germinating seeds, resulting in poor stand establishment and reduced yields. During the ripening phase, they can cause direct yield losses by stripping grains from the stalks, which affects the quality and quantity of the harvest, especially in peripheral areas of fields.

Control measures: Integrated pest management strategies are crucial for mitigation. These include increasing seeding depth to make seeds less accessible, the installation of visual deterrents such as scarecrows or reflecting tapes, and the use of sonic bird-scaring devices. Additionally, maintaining weed-free field margins helps reduce the overall attractiveness of the area to these birds.

Biology

Taxonomy

Latin name
Galerida theklae
Family
Alaudidae

Taxonomy and Latin: EPPO Global Database · code GALRTH

Marketplace

Products · 0

Community

Discussion

No discussions yet — be the first.