Pristiphora, Latreille, 1810

Macek, Jan, 2016, Descriptions of larvae of the Pristiphora thalictri group of the Czech Republic (Hymenoptera: Symphyta: Tenthredinidae), Acta Entomologica Musei Nationalis Pragae 56 (2), pp. 785-794 : 786

Key to the larvae of Pristiphora associated with the Thalictroideae

1 Trunk cuticle smooth and lustrous, yellowish ( Fig. 3 ); strips of fat body alongside dorsal vessel absent ( Fig. 3 ); host plant: Thalictrum aquilegifolium . ........................................... ...................................................................................... P. thalictri ( Kriechbaumer, 1884)

– Trunk cuticle with fine granulose texture, dull, green; strips of fat body alongside dorsal vessel distinct. ................................................................................................................. 2

2 Setae on thorax and lateral trunk lobes raised from black basal rings ( Figs 1 , 7 ); host plants: Thalictrum minus , T. foetidum . ............ P. sareptana Kuznetzov-Ugamskij, 1924

– Setae on thorax and lateral trunk lobes with no black basal rings ( Figs 2 , 8 ); host plant: Aquilegia spp. ............................................................................. P. rufipes Serville, 1823

Figures

Figs 1–3. Live last instar larvae: 1 – Pristiphora sareptana Kuznetzov-Ugamskij, 1924; 2 – P.rufipes Serville, 1823; 3 – P. thalictri (Kriechbaumer, 1884). Scale bar: 10 mm.

Figs 7–9. Mounted last instar larvae from alcohol (a –, anterior part, b – 2nd and 3rd abdominal segment): 7 – P.sareptana Kuznetzov-Ugamskij,1924; 8 – P.rufipes Serville,1823; 9 – P.thalictri (Kriechbaumer, 1884). Scale bar:3 mm.