Figure 4. A–C in Thalassarachna basteri (Acari, Halacaridae), description of external characters of larva, nymphs and adults and outline of discriminating characters of larvae

Figure 4. A–C, Thalassarachna basteri (Johnston, 1836), leg IV, medial aspect. A - Protonymph. B - Deutonymph. C - Female. D–H, leg I of larva, medial aspect. D - Agaue sp. E - Agauopsis brevipalpus (Trouessart, 1889). F - Halacarellus balticus (Lohmann, 1889). G - Halacaropsis capuzina Bartsch, 1996. H - Halacarus sp. Scale = 50 µm