Figure 4; A General view of gut contents from a specimen of Tanypodinae (Chironomidae), where the arrow shows an specimen of Tyrophagus sp. (Acariformes: Sarcoptiformes: Acaridae) among alimentary items B Detail view of the partially digested Tyrophagus sp. C Detail of specimen already partially digested which possibly belongs to the family Frontipodopsidae (Acariformes: Trombidiformes).