Trombidiformes 247 



8. Sensillary area not anterior; two claws on legs 9 



Sensillary area in anterior region of scutum; three claws on legs 



Stygothrombiinae 



9. Sensillary area at the posterior end of scutum 10 

 Sensillary area in mid region of scutum 1 1 



10. Single eye on either side of crista Tanaupodasterinae 

 Double eye (exceptionally no eyes) on either side of crista 



Microtrombidiinae 



11. Setae nude 12 

 Setae feathered 13 



12. Scutum with free anterior projection Rhinothrombiinae 

 Scutum without free anterior projection Ocypetinae 



13. With dorsal pygidial plate Eutrombidiinae 

 Without dorsal pygidial plate Holcotrombidiinae 



Trombidiinae Thor, 1935 

 Genera: 



1. Trombidium Fabricius, 1775 (= Sericothrombium Berlese, 1910) 

 Type. A cams holosericeus Linnaeus, 1758 



2. AustrothrombiumWomQrs\Qy,\9?>A 



Type. Allothrombium {Mesothrombium) australiense Hirst, 1929 



3. Caenothrombium Oudemans, 1927 



Type. Caenothrombium caloris Oudemans, 1927 



4. Dinothrombiiim Oudemans, 1910 

 Type. Acarus tinctorius Linnaeus, 1767 



5. Phyllotrombidium Cooreman, 1946 

 Type. Trombidium barbarum Lucas, 1846 



6. Xenothrombium Oudemans, 1927 



Type, Xenothrombium insulare Oudemans, 1927 



Allothrombiinae Thor, 1935 

 Genera: 



1. Allothrombium Berlese, 1903 (= Mesothrombium Hirst, 1926) 

 Type. Trombidium fuliginosum Hermann, 1804 



2. Corethrothrombium Oudemans, 1929 



Type. Corethrothrombium vandermeermohri Oudemans, 1929 



