page_title: Adelphocoris lineolatus
section_title: External anatomy and physical characteristics
hierarchical_section_title: Adelphocoris lineolatus / External anatomy and physical characteristics
caption_attribution_description: English: Adelphocoris lineolatus, nymph. Pragelato, Torino, Italy
context_page_description: Adelphocoris lineolatus, is commonly known as the Lucerne bug or the alfalfa plant bug, and belongs to the family Miridae. It is an agricultural pest causing vast amounts of damage to numerous crops, but primarily to alfalfa crops around the globe.
context_section_description: Adelphocoris lineolatus have an elongated body shape and are large in body size. Alfalfa plant bug males body size ranges from, 8.3-9.5 millimetres. Whereas, the females are a little bit smaller than the males having a body size between, 7.6 and 8.3 millimetres. Their antennae are usually the same length as their body size, sometimes a bit shorter. A longitudinal brown triangle is located on the middle of their corium. The scutellum of A. lineolatus have two longitudinal brown lines on the surface. The pronotum of the alfalfa plant bug will have two black spots on it. It commonly observed that their femora are spotted with brown specks. Also, the ocular index between male and female Adelphocoris lineolatus differs. Males have an ocular index of 0.83 millimetres. Whereas, females have an ocular index of 1.5 millimetres. Certain regions of their bodies are covered with black hairs, and others with pale coloured hairs. The body colour can range from a light green to a pale brown. Nymphs are green and have red eyes. In A. lineolatus nymphs there is an absence of wings, but in adult species wings are seen.
caption: Nymph of Adelphocoris lineolatus
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