Haliplus (Paraliaphlus) lucigelinae Vondel and Alarie

Vondel, Bernhard Johannes Van & Alarie, Yves, 2016, A New Species Of Haliplus Latreille, 1802 (Coleoptera: Adephaga: Haliplidae) From Canada, The Coleopterists Bulletin 70 (4), pp. 801-804 : 801-804

Haliplus (Paraliaphlus) lucigelinae Vondel and Alarie , new species

( Figs. 1–5 )

Type Locality. Canada, Québec, Kazabazua River at Hwy 301, 12 km S. jct. Rd 105 . N45°55.343’; W076°10.381’.

Type Material. Holotype and allotype: Labeled “ Canada, QC, Kazabazua River at Hwy 301, 12 km S. jct Rd. 105, 01.VIII.2015, N45°55.34’; W076°10.381’, Y. Alarie coll. (15-11)” . Paratypes: 6 ♀♀ labeled “ Canada, QC, Kazabazua River at Hwy 301, 12 km S. jct Rd. 105, 30.VIII.2016, N45°55.34’; W076°10.381’, Y. Alarie coll. (16-62)” ; 1 ♀ labeled: “ Canada, ON, N. of Kingston , Canoe Lake near Snug Harbour Ln. 29.VIII.2013. N44°31.943’; W076°35.174’, Y. Alarie coll. (13-22)” ; 1 ♀ labeled: “ Canada, ON, N. of Kingston , Canoe Lake near Snug Harbour Ln. 29.VIII.2016. N44°31.943’; W076°35.174’, Y. Alarie coll. (16-61)” .

Diagnosis. Haliplus lucigelinae can be distinguished from any other Nearctic species of Haliplus by the following combination of characters: penultimate segment of labial palpus not triangular but about parallel; pronotum without basal plicae, anterior margin not beaded at sides, with a narrow anterior median piceous macula; metaventral process on each side with a sharp carina running to anterior edge; prosternal process distinctly margined at sides, anteriorly clearly narrower than posteriorly; metatibia without setiferous striole on dorsal face; elytra with distinct maculation, elytral margin smooth in humeral and apical part; total length less than 3.4 mm.

Description. Habitus: Body V-shaped, widest before middle, strongly tapering posteriorly. Length 3.0– 3.1 mm, width 1.7–1.8 mm ( Fig. 1 ). Head: Yellow-brown, moderately punctate, more sparsely on vertex. Width between eyes 1.2–1.3X width of an eye. Antennae yellow-brown. Palpi yellowbrown. Genal lines double. Pronotum: Yellowbrown, with a narrow, piceous macula medially along anterior margin. Strongly impressed posteromedially. Moderately punctate, more strongly near base. Lateral margins about straight, distinctly margined. Elytra: Yellow-brown with an extensive piceous-black maculation as in Fig. 1 ; macula along suture extending to 1 st primary puncture row in anterior half before discal mark, which is connected to suture; row 1 with about 32 punctures; primary punctures of rows 2–6 strongly impressed and a little rugose in anterior half; rows 4 and 5 more weakly impressed in anterior 1/2 and 1/5, particularly near base. Secondary punctures weak and sparse in sutural row, hardly visible in other intervals. All punctures darkened. Lateral sides completely smoothly margined. Venter: Yellow-brown to brown, epipleura yellow-brown with 2 rows of strongly impressed punctures anteriorly and 1 posteriorly extending to abdominal sternite VI. Prosternum margined anteriorly. Prosternal process narrower anteriorly, widened posteriorly, lightly impressed at about middle; lateral sides with narrow, sharp, punctured margin, anterior edge distinctly margined, moderately punctate. Metaventral process bulbous with sharp continuous margins on lateral sides, with a clear impression in posterior part; lightly punctate. Metacoxal plates strongly and densely punctate. Abdominal sternites V and VI with dense row of punctures. Last abdominal sternite densely punctate over apical half, smooth anteriorly ( Fig. 2 ). Legs: Yellowbrown to brown. Setiferous strioles on dorsal side of metatibia about 1/3 of tibial length; longer apical spur about 0.75X length of 1 st tarsal segment. Male: First 3 tarsomeres of pro- and mesothoracic legs widened, with a tuft of adhesive hairs ventrally. Elytra without micropunctation. Female: Tarsomeres not widened, with a row of stiff hairs ventrally. Apical portion of elytra with micropunctation.

Etymology. This species is named in honor of the second author’ s wife, Lucie Gélinas, in recognition of her unconditional support throughout his career.

Biology. All specimens were collected in shallow, rocky bottom streams with moderate to fast flowing clear water. Collecting was made along the edges of these habitats. At the type locality (Québec), H. lucigelinae was associated with four other haliplid species, Haliplus fasciatus Aubé , Haliplus pantherinus Aubé , Peltodytes duodecimpunctatus (Say) , and Peltodytes edentulus LeConte as well as two Dytiscidae , Neoporus spurius (LeConte) and Heterosternuta pulcher (LeConte) . At the Ontario locality, the new species was collected with six additional haliplid species, Haliplus immaculicollis Harris , H. pantherinus , H. fasciatus , Haliplus apostolicus Wallis, P. duodecimpunctatus , and P. edentulus , as well as the adephagan species Liodessus affinis (Say) , Laccophilus maculosus Say , Neoporus undulatus (Say) , Uvarus granarius (Aubé) , and Dineutus nigrior Roberts.

Distribution. Haliplus lucigelinae is known to occur only in the eastern and western regions of the Canadian provinces Ontario ( Fig. 6 ) and Québec, respectively.

Figures

Figs. 1–2. Haliplus lucigelinae, holotype ♂. 1) Dorsal view; 2) Ventral view. Scale bar = 1 mm.

Figs. 3–5. Haliplus lucigelinae, holotype ♂. 3) Left paramere; 4) Aedeagus; 5) Right paramere. Scale bar = 0.1 mm.

Fig. 6. One of the two localities of Haliplus lucigelinae: outlet of Canoe Lake near Snug Harbour lane, North of Kingston, Ontario, Canada.