Full-text - Norsk entomologisk forening

The larval stages of Bembidion 449Figs. 27 -37. Bembidior~ litorale Ol., figs, 25, 30. Second stage larva, theother figs. third stage. - 27, 28. Nasale. - 29, 30. Retinaculum. - 31.Labial palp. - 32. Maxillary palp. - 33. Leg. - 34. Antenna. - 35.Mesonotum (right half). - 36. First abdominal tergite (right half). -37. Eighth abdominal segment, ventral.Head rather broad : ee :00 = 0.68-0.72. Epicranial sutureabout as long as basal joint of outer lobe. Ocelli and ocellar areaabout as in the previous species. Frontal piece with four setaein area within ocelli. Nasale (Fig. 27) broad, but front marginvery little marked; front margin of frontal piece forms a slightlycurved line. Nasale weakly or scarcely denticulated. First andthird joints of antennae 1.1 to 1.3 times longer than second,fourth about half as long as third or a little more (Fig. 34).Second joint: i = 1.7-2.0. Retinaculum (Fig. 29) truncate, verysmall in proportion to mandibles : r :ar = 0.12-0.17. Joints ofmaxillary palpi (Fig. 32) not as broad as in the previous species;second joint: i = 1.5-2.0. Basal joint of outer lobe longer thanterminal joint. Terminal joint of labial palpi not as thick as inB. argenteolz~m (Fig. 31). Head about 1.1 times longer thanscutum of pronotum.