<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Amblopusa brevipes Casey 1893</title> <meta content="text/html; charset=UTF-8" http-equiv="content-type"/> </head> <body> <h1> <i>Amblopusa brevipes</i> Casey, 1893</h1> <p>[Japanese name: Kita-nokoba-umi-hanekakushi]</p> <p>(Figs. 12C; 18E–G; 19; 26A)</p> <p> <i>Amblopusa brevipes</i> Casey, 1893: 356 (original description; type locality: Fort Wrangel, Alaska); Zerche, 1998: 106 (characters; habitus photograph; phylogenetic analysis); Yoo &Ahn, 2020: 506 (redescription; habitus photograph). For other references, see Yoo & Ahn (2020).</p> <p> <i>Amblopusa pallida</i> Casey, 1911: 212 (original description; type locality: Victoria, Vancouver Island).</p> <p> <b>Material examined.</b> <b>Japan: Hokkaidô:</b> 58 unsexed, Ishikari-shi, Atsuta-ku, Gokibiru, 22. III. 2020, Y. Tasaku (KUM, cYT); 2 males, 1 female, 15 unsexed, ditto, 2. V. 2020, Y. Tasaku (cYT); 1 male, 4 unsexed, Shimamakimura, Taihei, estuary of Taihei-gawa, 12. V. 2020, D. Sumikawa (cYT).</p> <p> <b>Diagnosis.</b> This species can be distinguished from other <i>Amblopusa</i> species by the body size (about 2.5 mm) except <i>A</i>. <i>pacifica</i>. From <i>A</i>. <i>pacifica</i>, it can be distinguished the following characteristics: pronotum slightly convex with anterolateral margin rounded (Fig. 17C); median lobe of aedeagus with apical lobe acute at apex in lateral view (Fig. 18E).</p> <p> <b>Distribution.</b> Japan: western Hokkaidô; Canada; USA: Alaska, the Aleutian Islands, California (Fig. 26A). Newly recorded from Japan.</p> </body> </html>