Penepodium luteipenne (Fabricius, 1804)

Buys, Sandor Christiano, 2022, An overview of cocoon morphology of Sphecidae (Hymenoptera: Apoidea), Journal of Natural History 55 (47 - 48), pp. 2935-2949 : 2939

Penepodium luteipenne (Fabricius, 1804)

( Figure 2 )

Description

One capsule. Approximately claviform, apical portion rounded; basal portion with nipplelike projection bearing a terminal orifice. About 22 mm in length (excluding the meconium), 5 mm in maximum width. Texture like brittle paper. Brown; basal and apical portions darker. External surface opaque, with white pubescence; internal surface shiny. Meconium voided through the terminal orifice of the basal mammiform projection. Grains of uric acid loose inside the lumen, rare grains were found fixed to the internal walls at the basal portions.

Remarks

Williams (1928a) and Buys [(2001, as Penepodium dubium (Taschenberg, 1869) ] briefly described and illustrated the cocoon of Penepodium luteipenne, Garcia and Adis (1993) provided a photograph of P. gorianum (Lepeletier de Saint Fargeau, 1845) cocoon. All these descriptions and illustrations are in accordance with the description herein presented.

Figures

Figures 1, 2. Cocoon morphology of species of Sceliphrinae. 1, Sceliphron fistularium, 2, Penepodium luteipenne, with the newly emerged adult wasp on the side; (M = meconium).