S. Mahunka szerk.: Folia Entomologica Hungarica 47/1-2. (Budapest, 1986)
Figs 1-5. Aradus signaticornis. 1 = L 5 , 2 = head of L 5 , 3 = tip of abdomen of L 5 , 4 = abdomen of 5 = antenna of L. Aradus crenaticollis Sahlberg, 1848 Body (Fig. 6) blackish brown, with yellow spots medially on tergites 2 and 3 and on posterolateral angles of laterotergites. Dorsal side of abdomen lighter in colour laterally to medial apodemal impressions, lateral quadrangular impressions and apodemal impressions blackish. Head (Fig. 7) with pointed antenniferous tubercles, latter with pointed, dark lateral tooth. Preocular tubercle protruding but not pointed, postocular tubercle blunt. Eyes protruding. Antenna blackish, only at junctions light. Joint II slightly bent, distinctly thickening towards apex, ni cylindrical, as thick as apex of joint II, somewhat thicker than joint IV. Relative length of antennái joints I to IV as: 13:38:25:24. Rostrum surpassing hind border of prosternum. Pronotum about 3 times as wide as long. Anterolateral angle widely, posterolateral angle strongly arcuate, lateral margin straight, finely serrate. Median carinae protruding. Lateral margin of laterotergites also finely serrate, posterolateral angles increasingly protruding to posterior direction, tergite 8 expanding longitudinally, laterally arcuate. Margin between tergites 3-6 well visible on both sides of scent gland openings. Tip of abdomen on Fig. 8. Measurements: total length of body 5.99 mm, length of head 0.93 mm, width of head 0.96 mm,