Tanymecus palliatus (Fabricius, 1787)

Gosik, Rafał & Sprick, Peter, 2013, Morphology and identification of the pupae of several species of soil-dwelling broad-nosed weevils from Central Europe (Coleoptera, Curculionidae, Entiminae), Zootaxa 3731 (4), pp. 445-472: 462-468

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Tanymecus palliatus (Fabricius, 1787)


Tanymecus palliatus (Fabricius, 1787) 

( Figs 10View FIGURES 1 – 10, 20View FIGURES 11 – 20, 52 –54View FIGURES 52 – 54, 77View FIGURES 72 – 77)

Material. 1 ♀ collected on 0 9.08. 2011 in Kittlitz, 28 km WNW of Cottbus, in a permanent field of 65 ha with Medicago sativa  L. ( Fig. 77View FIGURES 72 – 77), when digging for the pupae of Otiorhynchus ligustici  , a species that is present in huge numbers at this site. This date was apparently too late for collecting O. ligustici  pupae.

General morphology. Body length: 6.70 mm (♀), width at the level of mesocoxae: 3.70 mm (♀), head width: 1.25 mm (♀). Body rather slender, straight, dark grayish. Cuticle smooth. Rostrum short, almost 1.1 as long as wide, surpassing procoxae in repose. Antennae rather short. Pronotum almost 1.3 as wide as long. Ab. I –IV almost of equal length, slightly smaller than Ab. V –VIII; Ab. IX reduced, distinctly smaller than previous ones. Pseudocerci elongate, narrow, slightly curved inward. Five pairs of functional spiracles placed laterally on Ab. I –V.

Chaetotaxy. Setae different in shape and length, yellow, dark brown or black, based on conical, sclerotized protuberances. Rostrum with 5 pairs of hair-like setae (rs 1-5); head capsule bearing 1 pair of vs and sos; both slightly curved, located on conical protuberances. Pronotum with paired as 1-2, sls 1-2, ds 1-2 and pls 1-2. All setae almost equal in length and slightly curved. Mesothorax with 2 pairs of short setae (d 1-2); metathorax with 3 pairs of short setae (d 1- 3). Tergal part of each Ab. I –VIII with 6 pairs of d 1-6, different in length, arranged posteriorly in regular lines. Ab. IX with 3 pairs of very short v 1-3. Abdominal setae and their protuberances, especially d 1, d 3, d 6, increasing gradually from Ab. I to VIII. Each apex of femora with 2 hair-like setae (fes 1-2), different in length.