Alyma ariasvillegasai 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 ariasvillegasai Arias , new species

( Figs. 4 , 7 , 15 , 23 , 34 )

Description. Body: Elongate; brown; integument shiny; vestiture yellowish pale, decumbent,

sides parallel-sided; length 6.3 mm, width 1.9 mm; PEI: 2.6.

Head: convex; frontoclypeal carina region extended forward; clypeus and labrum with setae

semi-decumbent; labrum slightly convex, 2 3 as long as wide; antennomera 2 through 8 serrate,

antennomere 9 exceeding pronotal posterior angles, [AP: 7-6-10-10-11-13-12-9-10-12], ( Fig. 7 ).

Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 26 Aug 2021

Terms of Use: https://bioone.org/terms-of-use Access provided by The Coleopterists Society

Prothorax: convex medially; areolate, sides parallel; base curved; pronotal posterior angles straight; prosternal lobe bent; prosternum convex; pronotosternal lobe marginate broadly curved; pronotosternal suture sinuate; hypomeron punctate, sinuate basally, antennal groove present ( Fig. 15 ); 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 regular; interstria convex; elytral apex rounded and explanate. Leg: yellowish brown; tarsomere 4 almost similar in length to tarsomere 1, [TP: 25-19-18-23-15], ( Fig. 23 ).

Type Material. Holotype: female, Petorca, Palo Colorado, 27.X.1991, CHILE, 6.3 mm in length, J. Solervicens.

Distribution. Petorca, V Region, Chile, ( Fig. 34 ).

Remarks. Alyma ariasvillegasai can be recognized by its shiny integument, brownish color, yellowish pale vestiture semi-decumbent and straight posterior pronotal angles.

Etymology. The name of this species honors Professor Patricio Arias Villegas (Universidad de Concepción) my uncle, who dedicated his life to students’ education.

Figures

Fig. 4. Female genitalia of Alyma ariasvillegasai (Illustration Nancy V. Arias). Scale bar ¼ 1.0 mm.

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.

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