Alyma calafquenensis Arias, 2004

Arias, Elizabeth T., 2004, A New Click Beetle Genus from Chilean Temperate Forests, ALYMA (Coleoptera: Elateridae: Pomachiliini), The Coleopterists Bulletin 58 (3), pp. 413-427 : 413-427

Alyma calafquenensis Arias , new species

( Figs. 8 , 16 , 24 , 29 , 34 )

Description. Body: elongate; brown; integument dull; vestiture thick pale yellowish, semidecumbent; length 6.1 mm, width 2.1 mm; PEI: 2.6.

Head: convex; frontoclypeal carina region sloping downward; clypeus and labrum with long setae, decumbent; labrum slightly convex, 2.0 3 as long as wide; antennomera 2 through 8 serrate, antennomere 9 exceeding pronotal posterior angles, [AP: 7-6-9-9-12-9-9-9-9-12] ( Fig. 8 ).

Prothorax: strongly convex medially; areolate, sides parallel; base curved; pronotal posterior angles straight; prosternal lobe strongly bent; prosternum strongly convex; pronotosternal lobe

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420 marginate broadly curved; pronotosternal suture sinuate; hypomeron rugulose, uni-excavate, apically not marginate, antennal groove present ( Fig. 16 ); prosternum at procoxae marginate, and slightly elevated; procoxal distance 2.0 3 procoxal diameter, pronotosternal spine length 0.7 3 procoxal diameter.

Scutellum : U-shaped, vestiture semi-decumbent, long, yellow; mesocoxae separated by 0.3 3 mesocoxal diameter; posterior margin of mesosternal cavity extending posteriorly 0.4 3 mesocoxal diameter.

Elytra: interstria rugulose, slightly convex; striae pitted, pits irregular; interstria flat; elytral apex rounded and crenulate. Leg: yellowish brown; tarsomere 4 similar in length to tarsomere 2, [TP: 25-19-18-23-15], ( Fig. 24 ).

Male genitalia: aedeagus 2.5 3 as long as wide; median lobe spoon shaped; ( Fig. 29 ).

Type Material. Holotype: male CHILE, Calafquén , 25.I.1986, L.E. Peña, 6.1 mm in length, [ ETA].

Distribution. Calafquén, IX Region, Chile, ( Fig. 34 ).

Remarks. Alyma calafquenensis can be recognized by its dull integument, brown color, yellowish pale and thick vestiture semi-decumbent, and straight posterior pronotal angles.

Etymology. This species is named after the placed where it was collected.

Figures

Figs. 6–13. Antenna of Alyma species. 6) A. pallipes; 7) A. ariasvillegasai; 8) A.

Figs. 14–21. Pronotal hypomera of Alyma species. 14) A. pallipes; 15) A. ariasvillegasai; 16) A. calafquenensis; 17) A. contulmoensis; 18) A. lawlerae; 19) A. quiriquinaensis; 20) A.

Figs. 22–28. Tarsi of Alyma species. 22) A. pallipes; 23) A. ariasvillegasai; 24) A.

Figs. 29–33. Male genitalia of Alyma species. 29) Alyma calafquenensis; 30) A.

Fig. 34. Distribution map of Alyma species. Alyma pallipes (Solier) (N), A. ariasvillegasai