Ascoschoengastia

Shaw, Matthew, 2010, Post-larval stages of Ascoschoengastia (Laurentella) lorius (Gunther) (Acariformes: Trombiculidae) provide evidence for a nest-based life history, Zootaxa 2680, pp. 55-64 : 62

Key to Australian species of Ascoschoengastia larvae, modified from Domrow & Lester (1985)

1. Sensilla filamentous...................................................................................................................................................... 2

- Sensilla clavate ............................................................................................................................................................ 4

2. Scutum rectangular, PW/AP = 2.5–3.0, dorsal body rows commencing 2.6.................................................................. ................................................................................................................. A. (Ascoschoengastia) incurva (Womersley)

- Scutum quadrate, PW/AP <1.5, dorsal body rows commencing 2.8........................................................................... 3

3. Coxa III with ca. 6 setae .......................................................................................... A. (Ascoschoengastia) setosa Goff

- Coxa III with usual single seta.......................................................................... A. (Ascoschoengastia) deficiens Lester

4. Scutum relatively narrow, quadrate, PW/AP 1.7–1.8 ...................... A. (Laurentella) rattus (Womersley and Heaslip)

- Scutum relatively broad, subquadrate, PW/AP 1.9–2.8 ............................................................................................... 5

5. Body rows 2.8.6.6., PW/AP 1.9–2.2, 2 prominent nude setae on tarsi III...................... A. (Laurentella) indica (Hirst)

- Body rows 2.6.6.4., PW/AP 2.4–2.8, 1 prominent nude seta on tarsi III ................. A. (Laurentella) lorius (Gunther)