Tettigonia silana Capra, 1936


Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male, feeding on Urtica seeds (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [M] Tettigonia silana: Male (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [M] Tettigonia silana: Female, feeding on Urtica seeds (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [M] Tettigonia silana: Female (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [M] Tettigonia silana: Habitat (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Habitat (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Habitat (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Habitat (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N] Tettigonia silana: Habitat (S-Italy, Sila mountains, above Lago Arvo, early October 2023) [N]

Nutrition:
The species should consume both plants and other insects etc. I recorded several individuals feeding on ripe Urtica seeds.

Habitat:
Tettigonia silana inhabits woodland margins, Pteridium aquilinum stands, scrub and bushy pastures above 1000m, most often above 1200m. In lower altitudes it is displaced by Tettigonia viridissima.

Life cycle:
The adults appear in summer and autumn. In early October 2023 they stridulated from early afternoon and were easily located. The stridulation is different from T. cantans and more similar to a soft T. viridissima.The females are much more inconspicuous.

Remarks:
Tettigonia silana is endemic to Kalabria (Sila-mountains).



Tettigonia cantans | Tettigonia caudata | Tettigonia hispanica | Tettigonia longispina | Tettigonia viridissima