Mesostigmata (Monogynaspida)—Key feature pages

Insect hosts

Host relationships can be informative, but one must remember that accidental associations are possible.

Feature pages

• Ventral shields
• Dorsal shield—number and form
• Dorsal shield—variations
• Dorsal shield—setation
• Podonotal seta r1
• Scleronoduli
• Large idiosomal gland openings
• Cheliceral form
• Cheliceral dentition
• Processes on fixed digit
• Processes on movable digit
• Pilus dentilis: 'hair of the teeth'
• Corniculi (external malae)
• Deutosternal gutter (subcapitular gutter or groove)
• Hypostomal setal alignment
• Tritosternal laciniae
• Tritosternal base
• Tectum (epistome, gnathotectum)
• Palps—segmentation
• Palpgenu setation
• Palp apotele
• Peritrematal anomalies
• Setae on sternal shield(s) in adult female
• Sternal shield form in adult female
• Metasternal setae in adult female
• Genital (epigynal) shield setation
• Sperm access system
• Ventral shields
• Genital (epigynal) shield shape
• Pedofossae (fovae pedales)
• Body coverings
• Inguinal pore plate with glands (gv2)
• Shield with anal opening
• Anal valves
• Anal setae
• Tarsus I (pretarsus, sensory setae)
• Apicotarsus on tarsus I
• Spurs or tubercles on legs
• Tibia I ventral setation
• Tibia I dorsal setation
• Genu I dorsal and ventral setation
• Trochanter I setation
• Genu IV dorsal setation
• av4/pv4 on tarsus IV
• Deep pits or fossae in dorsal shields
• Moustache-like internal malae
• Levator tendon of the chelicera
• R-series setae
• Setal form
• Insect hosts
• Hosts—vertebrates
• Hosts—vegetation and fungi
• Macrosetae
• Presternal platelets
• Coxa IV setation
• Anal pedicel
• Body shape (idiosoma)