Sharon amoenus ( Philippi, 1861 ) Arias-Bohart, Elizabeth T. & Elgueta, Mario, 2015

Arias-Bohart, Elizabeth T. & Elgueta, Mario, 2015, Description of Sharon gen. nov. for the Chilean species Asaphes amoenus Philippi, 1861 (Coleoptera: Elateridae), European Journal of Taxonomy 142, pp. 1-15 : 4-13

Sharon amoenus ( Philippi, 1861) comb. nov.

Figs 1 AB, 2, 4A, 5A, 6A, 7A, 9–11

Asaphes? amoenus Philippi, 1861: 743 .

Asaphes elegans Candèze, 1878 : clxxxix.

Asaphes amoenus – Philippi 1887: 704. — Candèze 1891: 182. — Calvert 1897: 844–855.

Asaphes elegans – Philippi 1887: 704. — Fleutiaux 1907: 216. — Blackwelder 1944: 293. Parasaphes amaenus [sic] – Fleutiaux 1907: 216–217.

Hemicrepidius amoenus – Blackwelder 1944: 293.

Material examined

Holotype

CHILE: ♀, 14.47 mm; number 2223. Corral , Valdivia (39°52' S 73°26’ W) EMEC 113160 [ MNNC].

Non type material studied

CHILE: Sharon amoenus . ♀: Prov. Valdivia / Sto. Dgo. / Valdivia / 28-10-90 / E. Krahmer. (39°48′51″ S 73°14′45″ W)[ ETA]; ♂: Prov. Valdivia / Sto. Dgo. / Valdivia / 28-10-90 / E. Krahmer. (39°87 ' S 73°39’ W) [ ETA]; ♂: Cautín 700 m / Nueva Imperial / 15-XI-81 L Peña/ / Ex Colección Valencia / 005249 [ JEB]; ♂: Pichinahuel / Cord Nahuelb. / Arauco Enero 59 / Leg: G. Barría / / Ex Colección Valencia 005231 / /

Hemicrepidius amoenus (Phil.) / Valencia Det 1972. (37°48.341’ S /0 73°02.112’ W) [ JEB]; ♂: Valdivia / Santo Domingo / 4-XI-84 Krahmer/ / Ex Colección Valencia 005187 (39°87’S 73°39’W) [ JEB]; ♂: Valdivia Panguipulli / 13.XI.77 Krahmer / Ex Colección Valencia 004976 (39º38’40”S 72º19’50”W) [ JEB]; ♂: Chile / Las Mellizas / 27-ii-2010 / Leg.: A. Fierro / / [ EMEC]; ♂: Chile / Las Mellizas / 27- ii-2010 / Leg.: A. Fierro / / [ MNNC]; ♂: Chile Cautín / P. N. Los Paraguas 17-8-1991 / Col. J. Mondaca E. / / Ex Colección Valencia / 003033. (39°87’S 73°39'W) (same as National Park Conguillio 38º40’00” S 71º39’00” W) [ JEB]; ♀: (Arauco) 750 m / 1, 19-Enero-54 / Coll. L. E. Peña/ / Ex Colección Valencia 005010 (37º46’ S 73º20’ W) [ MNNC]; ♀: Aysén / Coyhaique 7. / Km w 21-I-68 / / Hemicrepidius amoenus (Phil.) / Valencia Det 1976. Ex Col Valencia / JVCC / CHILE 003033 (43º46’ S 72º04’ W) [ JEB]; ♀: Valdivia / Fdo Caupolican / 22-X-1965 / / HOMOTIPO / Ex Col Valencia / JVCC / CHILE 005180 (39.87 °S 73.39 °W) [ JEB]; ♀: Nahuelbuta Arauco Chile / / Coleccion J. E. Barriga. (37º48.341’ S / 73º02.112' W) [ JEB].

Comparative material of Hemicrepidius

♂: Asaphes thomasi Germar, 1839 . Holotype studied from photograph material from BMNH in Fig. 3 .

♂: Kaweah Power House Reservoir #3 Calif. / Tulare County / Vi.21.1977/ / E. A. Kane Collector/ / Hemicrepidius dilaticollis (Most) M.W. Stone [ CDFA]; ♂: Kaweah Power House Reservoir #3 Calif. / Tulare County / VI.14.1973/ / E. A. Kane Collector / / [ CDFA], as Hemicrepidius dilaticollis no label present; ♀: N. Y./ / Hemicrepidius dilaticollis [ ETA]; ♀: Pine Ridge / Sharon Co / S. Dak; [ EMEC]; ♂: Quincy, 4mi W plums Co., / Calif. Vi-24-49 / / Hemicrepidius dilaticollis / det M.W. Stone H.U. Hunt / Collector; ♀: Buffalo N-Y/7-10-69 / E.P.V. Coll E. P. Van Duzen [ EMEC]; ♀: Fort Lee / New Jersey / W.S. Cook / Collector H memnonius [ ETA]; ♂: Putnam Park/18 J 1.39 ct / Almelander/ / H memnonius (Hbst) /Det. Marshall W. stone Collection [ CAS].

Comparative material from Australia

Parasaphes sp. #446. ♂: Australia: Vic.: Mt Donna Buang / 1200 mt 11-17i80/Eucalyptus-Nothofagus forests A. Newton & M. Thayer / / ANIC Specimen / / [ ANIC]; ♀: 37.43 S 145.42 E VIC / / Cement

crepidius memnonius Herbst, 1806 . Scale bars = 0.5 mm.

Creek, 670m / N. of Warburton / 812 26 Jan.-11 Feb.1997 / A. Newton & M. Thayer/ / Euc. regnans- Noth.cunn/pyrethrin fogging / old fungus logs [ ANIC]. [ ETA]

Parablax sp. ♂: 43.07 S 146.47 E / Edwards rd. TAS. Hartz Mtns. 4 Feb. 1983. I.D. Naumann / J.C. Cardalle Coll. [ ANIC] [ ETA].

Parablax ooliekirra Calder, 1986 . ♂: A.H. Elston Collection/ / Tasmania /Australian Museum K436880 / / Calder. Det A. Calder 1980 / / Parablax ooliekirra Det A. Calder 1980 / / [ NMV].

Parablax moorda Calder, 1986 . ♂: National Park / / NSV / A. Museum 16.x.1921. National Museum K436878 / / Parablax ooliekirra . Det A. Calder 1980 / / Parasaphes elegans ? / Candz. [ NMV].

Tasmanelater pelionensis Calder, 1996 . ♂: 880mt 30Nov-8Jan./1991 E Nielsen / E. Edwards malaise#3 / closed forest/ / Tasmanelater pelionensis / Det A Calder 1996 / / ANIC database No / 25-029504 [ ETA]; ♂: Paratype 42.52S 146.03E TAS / 2km NE by Mt Ossa / 29 Nov 1990 / T. Weir in Swarm on ground 1000/ / Paratype / / Tasmanelater pelionensis Det A Calder 1996 [ BMNH].

Wynarka silvestre Calder, 1986 . ♂: Blue Mts N.s. Wales g.E. Bryant 27 Xii 08. Wynarka silvestre Det. A. Calder 1980 [ BMNH]; ♂: Mt. Disappointment, Vic sweeping grass / / 27 oct 1974 / / A. A. Calder Wynarka silvestre Det. A. Calder 1980 / / Paratype 20305 / / Mus. Vic. / Ento 2015-2l [ NMV]; ♀: Unreadable / / Female genitalia in a vial / / A.A. Calder 1976 / / Wynarka silvestre Det. A. Calder 1980 / / Paratype 20305 / / Mus. Vic. / Ento 2015-2l [ NMV].

Redescription

Female (holotype)

Total body length 14.47 mm, pronotal width 3.12 mm, elytral width 3.15 mm ( Fig. 1 A–B).

Head yellow, with a brown stripe medially; short, semi-erect, gold vestiture; surface finely punctate; antenna not reaching base of posterior angles, same color as head, all antennomeres clothed with erect short hairs; antennomere 2 and antennomere 3 smaller than antennomere 4, antennomere 2 about 0.45 times as long as antennomere 4, antennomere 3 about 0.39 as long as antennomere 4; mandibles brown, with at least 3 long setae ( Fig. 9 ).

Prothorax sides slightly sinuate, narrowing towards head; yellow, with a brown stripe longitudinally, wider near base, with semi-decumbent, curved, gold hairs; punctate, fine punctures separated by more than one own diameter, prosternal spine about 0.25 times as long as diameter of procoxal cavity; hypomeron light yellow, finely punctate.

Scutellum dark brown. Elytra with striae impressed, strongly striate-punctate; most of elytral surface yellow, including humeri; a long lateral brown stripe, narrowing towards elytral apices; abdomen dark brown, finely punctate, with decumbent gold, hairs; legs brown, vestiture black; tarsomeres with lamellae of a lighter color, lamellae 3–4 with strong set of short hairs distally.

Legs brown, vestiture black; tarsomeres 2–3 with heart-shaped lamellae, medially lighter than the rest of the tarsomere; tarsomere 4 about 0.5 times length tarsomere third ( Fig. 10 ).

Male

Total body length 11.25–12.76 mm, pronotal width 1.75–2.23 mm, elytral width 2.37–2.76.

Head dark brown; short, semi-decumbent goldish hairs; posterior angles, humeri and elytral apices yellow; antennae same color as head, not reaching apex of posterior angles, all antennomeres clothed with erect, short hairs; antennomere 2 and antennomere 3 smaller than antennomere 4, antennomere 2 about 0.41 times as long as antennomere 3, antennomere 3 about 0.32 times as long as antennomere 4; mandibles same color as head.

Prothorax dark brown, semi-decumbent long, gold hairs; paralell-sided for almost all their lengths; somewhat flat, punctate, punctures separated by less than one own diameter; prosternal spine about 1.15 times as long as diameter of procoxal cavity.

Scutellum black. Elytra black, with elytral humeri and apices yellow; with striae impressed, strongly striate-punctate There is variation in the size of the yellow band yellow covering posterior angles, humeri and elytral apices, might be smaller covering only apex of posterior angles, humeral border, small spot

on elytral apices, or larger covering posterior angles and along the pronotal side, extending humeral area as long as scutellar length and almost all elytral apices.

Legs dark brown, vestiture black; tarsomera similar to female.

Aedeagus about 1.25–1.37 mm long; apex of parameres globose, median lobe much longer than parameres ( Fig. 11 ).

Distribution

Southern Chile. Sharon amoenus comb. nov. is distributed from the Bío Bío region to the Aysén region (provinces of Arauco, Malleco, Cautín, Valdivia and Coihaique), especially in humid areas of the coastal range (from 37º46’ S to 39°55’ S) and in similar habitats of the Andean Cordillera (from 38°43’ S to 43°46’ S).

Remarks

We believe that Philippi based his description of Asaphes amoenus on a unique specimen, which he deposited at the MNNC, Chile.

Figures

Fig. 1. Holotype of Sharon amoenus (Philippi, 1861) comb. nov., ♀, adult (MNNC). A. Dorsal view. B. Lateral view. Body length: 14.47 mm. Photo by Cristian Becker (MNNC).

Fig. 3. Adult of Hemicrepidius memnonius Herbst, 1806 [=Asaphes thomasi Germar, 1839, holotype, approximate body length = 18 mm]. Photo by Helena Maratheftis (BMNH).

Fig. 9. Mandible of Sharon amoenus (Philippi, 1861) comb. nov. Scale bar = 0.5 mm.

Fig. 10. Tarsomere 3 of Sharon amoenus (Philippi, 1861) comb. nov. Scale bar = 0.5 mm.

Fig. 11. Male genitalia of Sharon amoenus (Philippi, 1861) comb. nov. Scale bar = 0.5 mm.