Bagous chevrolati

ROBERTO CALDARA, CHARLES W. O’BRIEN & MASSIMO MEREGALLI, 2017, A phylogenetic analysis of the aquatic weevil tribe Bagoini (Coleoptera: Curculionidae) based on morphological characters of adults, Zootaxa 4287 (1), pp. 1-63 : 39

1. Bagous chevrolati group

Diagnosis. Rostrum with dense fringe of seta-like scales in median 1/3 along ventral margin (char. 12.2). Pronotum with more or less rounded sides, with more or less distinct apical constriction, more or less deeply punctured with intervals between punctures more or less granulose. Elytra more or less elongate, with odd elytral intervals covered with recumbent or erect, short or long setae.

Remarks. The species of this group are characterized by one synapomorphy (char. 12.2): the dense fringe of setalike scales along the ventral margin of the rostrum. B. chevrolati differs from the other species by the presence of a sclerite complex within the tube of the penis body that has a pair of submedian, subapical sclerites well separated from each other (char. 84.1). B. belloi is unique within Bagoini in having 6 funicular segments (char. 19.1), and B. longirostris is unique in having the penis body with long pili at the apex (char. 60.1).

Species included. PAL: ¹ Bagous anatolicus Caldara & O'Brien, 1998 , ¹ B. andalusiacus González, 1971 *³ B. belloi Caldara & O'Brien, 1998 , *¹ B. chevrolati Tournier, 1874 , ¹ B. corsicanus Hoffmann, 1936 , ¹ B. cosiensis Caldara & O'Brien, 1998 , ¹ B. elongatus Pic, 1896 , ¹ B. epirotes Caldara & O'Brien, 1998 , ¹ B. franzi González, 1971 , ¹ B. freti Caldara & O'Brien, 1998 , ¹ B. gracilentus Desbrochers des Loges, 1896, ¹ B. guttatus Desbrochers des Loges, 1896, ¹ B. ibericus González, 1971 , ¹ B. libanicus Desbrochers des Loges, 1896, *² B. longirostris Vitale, 1904 , ¹ B. lyauteyi Hoffmann, 1952 , ¹ B. marocanus Hustache, 1923 , ¹ B. osellai Caldara & O'Brien, 1998 , ¹ B. rudicollis Desbrochers des Loges, 1896.