Carex sylvatica, Rijckholt, Savelsbosch
“head” (with dorsally one, ann ventrally two large median protuberances) and rear end
front spiracula, lin lateral and obliquely dorsal view
the rear spiracula stand on a common base, wich laterally bears a black, chitinised wart; the three papillae are elongated and fused to their base
the “head” has frontally a flattened keel that bear a row of stiff hairs.
The larva is described by de Meijere (1938a, as sonderupi), Beri (1971b) and Nowakowski (1973a).