Haliplus Latreille 1802
Creators: name: Majka, Christopher
name: van Vondel, Bernhard
name: Webster, Reginald
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Haliplidae
Haliplus

description: Key C: <i>Haliplus</i> Latreille 1 Metatibia with a longitudinal setigerous striole on dorsal face – subgenus <i>Liaphlus</i> Guignot........................................................................................ <b>9</b> – Metatibia without longitudinal setigerous striole on dorsal face.................. <b>2</b> 2(1) Base of pronotum with a short longitudinal plica – subgenus <i>Haliplus</i> Latreille.......................................................................................................... <b>3</b> – Pronotum without basal longitudinal plica – subgenus <i>Paraliaphus</i> Wallis.... <b>6</b> 3(2) Apicies of elytra strongly sinuate [3.0 mm].................................................................................... <b> <i>Haliplus blanchardi</i> (Roberts)</b> – recorded in Québec – Apicies of elytra not strongly sinuate; rounded or almost subtruncate and feebly sinuate.............................................................................................. <b>4</b> 4(3) Basal pronotal plica less than 1/4 the length, measured from base of plica along plica, to anterior margin of pronotum; prosternal process deeply channeled longitudinally; elytra with six black spots in a half ellipse enclosing a common sutural spot; in some, spots almost completely absent [2.5 – 3.0 mm]........................................... <b> <i>Haliplus immaculicollis</i> Harris</b> – Basal pronotal plica more than 1/4 the length, measured from base of plica along plica, to anterior margin of pronotum; prosternal process not or feebly channeled longitudinally; elytra without, or with indistinct, spots.............. <b>5</b> 5(4) Left paramere of male with hairs sparsely placed along nearly the entire ventral side; adeagus evenly curved, not narrowed apically [2.8–3.1 mm]............................................................. <b> <i>Haliplus falli</i> Mank</b> – recorded in Québec – Left paramere of male with hairs confined to apical third of the ventral side; adeagus elongate, narrowed apically [2.7–3.0 mm]................................................................................................................. <b> <i>Haliplus longulus</i> LeConte</b> 6(2) Elytral apices strongly sinuate; penultimate labial palpomere dilated inward forming prominent angle [2.5–3.0 mm]............. <b> <i>Haliplus borealis</i> LeConte</b> – Elytral apicies at most feebly sinuate; penultimate labial palpomere not dilated............................................................................................................ <b>7</b> 7(6) Meso-trochanters with deep, coarse punctures [4.0 – 4.2 mm]................................................................................................. <b> <i>Haliplus leopardus</i> Roberts</b> – Meso-trochanters without or with few punctures........................................ <b>8</b> 8(7) Tarsal claws short; aedeagus abruptly bent down in apical fifth [3.0–4.0 mm]........................................... <b> <i>Haliplus triopsis</i> Say</b> – recorded in Maine – Tarsal claws long; aedeagus almost evenly curved from base to apex [3.5– 4.0 mm].................................................... <b> <i>Haliplus pantherinus</i> Aubé</b> 9(1) Prosternal ridge and metasternal process margined at sides....................... <b>10</b> – Prosternal ridge and metasternal process not margined at sides................. <b>12</b> 10(9) Pronotum with dark mark on anterior margin [4.1 mm]....................................................................................................... <b>Haliplus apostolicus Wallis</b> – Pronotum without dark mark on anterior margin..................................... <b>11</b> 11(10) Apicies of elytra distinctly denticulate; sutural stripe narrow, not extending to sutural striae [4.0 mm].................................. <b>Haliplus connexus Matheson</b> – Apicies of elytra little, if at all, denticulate; sutural stripe broad, extending to sutural striae [4.0– 4.5 mm]..................................... <b> <i>Haliplus fasciatus</i> Aubé</b> 12(9) Middle of metasternum deeply depressed behind metacoxae..................... <b>13</b> – Middle of metasternum at the same level behind as between metacoxae [3.8 – 4.2 mm]................................................. <b> <i>Haliplus fulvus</i> (Fabricius)</b> 13(12) Length greater than 4.5 mm; punctation of elytral striae coarse [4.5–5.0 mm]............................................................... <b> <i>Haliplus cribrarius</i> LeConte</b> – Length less than 3.8 mm; punctation of elytral striae finer [3.8 mm]...................................................................................... <b> <i>Haliplus canadensis</i> Wallis</b>
description: Published as part of <i>Majka, Christopher, van Vondel, Bernhard &amp; Webster, Reginald, 2009, The Haliplidae (Coleoptera) of Atlantic Canada: new records, distribution, and faunal composition, pp. 249-266 in ZooKeys 22 (22)</i> on pages 252-253, DOI: 10.3897/zookeys.22.91, http://zenodo.org/record/576538