Timarcha (T.) marginicollis, Rosenhauer, 1856

Petitpierre, Eduard & Anichtchenko, Alexander, 2018, Endophallus structure: a promising tool for cryptic species identification in Timarcha Samouelle, 1819 (Coleoptera: Chrysomelidae: Chrysomelinae), Zootaxa 4446 (3), pp. 361-383 : 366-368

T. (T.) marginicollis Rosenhauer, 1856

T. escalerae Kuntzen, 1911: 216

T. nevadensis Fairmaire, 1884a: 81

T. splendida Pérez Arcas, 1872: 121

Material : 2 ♂: Sierra Nevada: rio Monachil, 1600m alt., Granada, 29.04.2003, leg. A. Anichtchenko (AAC) ; 2 ♂: PUERTO dE LA RAGUA, 2000M ALT., GRANAdA—ALMERíA, 26.05.2004, LEG. A. ANICHTCHENKO (AAC).

Description: BOdY LARGE (12.0–15.5 MM.) WITH HEART-LIKE pRONOTUM ANd ELONGATE ELYTRA WITH SCATTEREd SHALLOW pUNCTATION ON fLAT INTERSTICES. MEdIAN LOBE Of AEdEAGUS WITH BI-TOOTHEd ApEX (PETITpIERRE 1970A), A fEATURE WHICH HAS NOT BEEN fOUNd IN ANY OTHER SpECIES Of Timarcha . THE ENdOpHALLUS SHOWS A dIVIdEd MANUBRIUM Of ARROWHEAd SHApE (PETITpIERRE 1970A; PETITpIERRE & DACCORdI 2013), ANd TWO LARGE VB ANd VA pROTUBERANCES WHEREAS THE DB ANd DA ARE INdISTINCT ( fIGS 10A, B ).

Figures

FIGURES 9–12. Endophallus structure of “T. insparsa”, “T. balearica” and “T. strangulata” groups: 9a, b—T. insparsa (Sierra Nevada); 10a, b—T. marginicollis (Sierra Nevada). 11a, b—T. balearica (Menorca); 12a, b—T. strangulata epipleuralis (Canfranc), 12c, d—T. strangulata sculptipennis (Port de la Bonaigua). Scale = 1 mm.