Bagous tubulus

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 : 45

publication ID

https://doi.org/ 10.11646/zootaxa.4287.1.1

publication LSID

lsid:zoobank.org:pub:13C4F702-EF00-4F04-B38E-3F0AA6CAF718

DOI

https://doi.org/10.5281/zenodo.4386698

persistent identifier

https://treatment.plazi.org/id/D1778785-4F51-1F26-0DD7-6D901413FAB7

treatment provided by

Plazi

scientific name

Bagous tubulus
status

 

15. Bagous tubulus View in CoL group

Diagnosis. Body elongate-cylindrical. Pronotum 0.90x or more as long as broad (char. 26.1). Rostrum cylindrical, narrow, elongate (especially in female). Elytra nearly as wide as pronotum, without calli (char. 36.0). Sclerites complex within tube of penis body with a pair of submedian subapical sclerites posteriorly joined (char. 84.2), with chela-like basal portion. Median setal brush behind orifice situated at base of subapical sclerites (char. 93.1). Penis body elongate, with sinuate and subparallel sides. Tegmen lacking parameroid lobes (char. 111.2). Arms of spiculum ventrale longer than apodemes, with long apical setae (char. 113.1). Gonocoxites elongate.

Remarks. This group is characterized by the rostrum being cylindrical, narrow, and elongate (especially in the female), and a series of non-genital characters, e.g., the elongate body, and genital character states in part shared also by the species of the B. cylindricus group. Previously, B. elegans and B. majzlani (formerly Dicranthus ) were separated in a distinct group by Caldara & O’Brien (1998) due to their very distinctive habitus, including the pattern of the dorsal vestiture (char. 39.1 and 39.2), and the shape of the elytra in which the confluence of intervals 3 and 9 is markedly raised and forms a long posteriorly-projecting process (char. 38.1). In both all-species ( Fig. 9 View FIGURE 9 ) and type-species ( Fig. 10 View FIGURE 10 ) analyses this group was strongly supported; the complex comprising B. tubulus / B. friwaldszkyi was sister to the complex B. elegans / B. majzlani . This group is composed of seven Palaearctic species.

Species included. PAL: §*³ Bagous elegans (Fabricius, 1801) ; *² Bagous friwaldszkyi Tournier, 1874 , ¹ B. henoni Hustache, 1927 , *4 B. majzlani ( Kodada, Holecova & Behne, 1992) ; ¹ B. mingrelicus Tournier, 1874 , ¹ B. minutus Hochhuth, 1847 , *¹ B. tubulus Caldara & O’Brien, 1994 .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Curculionidae

Genus

Bagous

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