Abstract
Data on the morphology of the egg, mature larva (L3) and pupa of Squamapion elongatum (Germar, 1817) are presented. The development cycle of this species lasts 51–54 days: a 12-day egg period, a 30-day larval period, and a 12-day pupal period, on average. The larvae are attacked by parasitic hymenopterans of the superfamily Chalcidoidea.
Highlights
The genus Squamapion Bokor, 1923 is distributed in the Palaearctic and Afrotropical regions and includes 33 species (Alonso-Zarazaga 2011)
Squamapion elongatum eggs, larvae, pupae and adults were collected from two patches of xerothermic grasslands in Gródek (50°46'58.18"N, 23°56'47.04"E) near Hrubieszów and in Łęczna (51°18'9.7"N, 22°51'47.8"E) (SE Poland)
A delicate cut was made along the stem and root of the plants and they were dissected with needles to find the eggs, larvae, pupae and even adults located inside
Summary
The genus Squamapion Bokor, 1923 is distributed in the Palaearctic and Afrotropical regions and includes 33 species (Alonso-Zarazaga 2011). These are mono- or oligophagous herbivores feeding on species from the family Lamiaceae, mainly of the genera Salvia, Thymus, Thymbra, Mentha, Origanum, Prunella and Saccocalyx. Their larvae burrow tunnels inside roots or stems, occasionally causing galls (Alonso-Zarazaga 1990). In Poland it is recorded in the Masurian Lake District, the Wielkopolsko-Kujawska Lowland, Upper and Lower Silesia, the Krakowsko-Wieluńska Upland, the Małopolska Upland, the Świetokrzyskie Mountains, the Lublin Upland, Roztocze and Eastern Beskid (Burakowski et al 1992) This species is characteristic of xerothermic grasslands, where it feeds on plants of the genus Salvia – S. pratensis and S. nemorosa (Cmoluch 1962).
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