Yavnella laventa

Yavnella laventa is known only from the type locality, inhabiting superficial underground compartments (MSS, mesovoid shallow substratum or milieu souterrain superficiel, a network of air-filled underground voids between the rock fragments found in scree (talus) deposits) within a debris flow on the bank of an ephemeral stream adjacent to a salt diapir (Fig. 12). The Khoorab Salt Dome is one of ~130 salt diapirs occurring in southern Iran (Talbot and Alavi 1996). It is therefore possible that Y. laventa occurs across this area, at least in microhabitats resembling those present at the type locality.

Identification
Three mandibular teeth present (Fig. 5a). Palp formula 2,1 (Fig. 5c). Mesotibia with 2 apical spurs. Petiole much longer than wide in dorsal view (PI ≤ 31) (Fig. 4), without distinct anterior peduncle. Abdominal segment IV constricted anteriorly in dorsal view; total length of abdominal segment IV greater than that of abdominal segments V–VII combined.

Distribution based on Regional Taxon Lists
Palaearctic Region: Iran.

Nomenclature

 * . Yavnella laventa Griebenow, Moradmand & Isaia, in Griebenow et al., 2022: 1126, figs. 4-11 (w.) IRAN.

Type Material

 * Holotype. Iran, Fārs: 1.3 km E Khoorab [in Milieu Souterrain Superficiel], 60 cm [below surface], 28.59843°N, 52.32863°E [±10 m], alt. 620 m, MSS2, 14.II.2019-26.VI.2020, M. Isaia & M. Moradmand leg. (ZMHB CASENT0842746), worker.
 * Paratypes. Iran, Fārs: 1.3 km E Khoorab [in Milieu Souterrain Superficiel], 60 cm [below surface], 28.59843°N, 52.32863°E [±10 m], alt. 620 m, MSS2, 14.II.2019-26.VI.2020, M. Isaia & M. Moradmand leg., 1 worker (ZMUI CASENT0842745); ibid., 3 workers (ZMUI CASENT0842747, ZMUI CASENT0842795, ZMUI CASENT0842796); ibid., 1 worker (JAZM CASENT0842797); 1.3 km E Khoorab [in Milieu Souterrain Superficiel], 100 cm [below surface], 28.59841°N, 52.32856°E [±10 m], alt. 618 m, MSS4, 14.II.2019-26.VI.2020, M. Isaia & M. Moradmand leg., 1 worker (ZMHB CASENT0842748).