Calesalquia, Xue, Wang, Song & Hong, 2009

Key to eriophyoid mite genera on Fagaceae View in CoL View at ENA

The number of described species from Fagaceae View in CoL is in brackets after each genus name.

1 Prodorsal shield with four setae ( ve + sc) ....................................................................................... Phytoptidae View in CoL (part)...2

- Prodorsal shield with two setae ( sc) or absent .............................................................................................................. 3

2 Opisthosoma with setae c1......................................................................................................................... Austracus (1)

- Opisthosoma without setae c1............................................................................................................ Novophytoptus (1)

3 Gnathosoma small in comparison to body, chelicerae straight or slightly curved................................. Eriophyidae View in CoL ...4

- Gnathosoma large in comparison to body, chelicerae abruptly curved and bent down near base. Diptilomiopidae View in CoL ...51

4 Tibiae reduced or completely fused with tarsi .................................................................................... Nothopodinae ...5

- Tibiae distinct from tarsi ............................................................................................................................................... 6

5 Prosternal apodeme present............................................................................................................................ Disella (1)

- Prosternal apodeme absent............................................................................................................................. Cosella (2) 7 Scapular tubercles and setae present.................................................................. Colomerini ... Calesalquia gen. nov. (1) - Scapular tubercles and setae absent ..................................................................................................... Cecidophyini ...8 8 Prodorsal shield with projections at posterior margin................................................................................... Bariella (2) - Prodorsal shield without projections at posterior margin ............................................................................................. 9 9 Dorsal opisthosoma with a broad furrow................................................................................................... Glyptacus (4) - Dorsal opisthosoma evenly arched ............................................................................................................................. 10 10 Dorsal and ventral annuli subequal in number....................................................................................... Cecidophyes (9) - Opisthosoma divided into broad dorsal annuli and narrow ventral annuli ................................................................. 11 11 Dorsal annuli gradually narrowing posteriorly ........................................................................................................... 12 - Dorsal annuli broad and abruptly narrowing after setae f........................................................................................... 13 12 Prodorsal shield smooth.......................................................................................................................... Coptophylla (4) - Prodorsal shield with a distinct pattern of lines......................................................................................... Chrecidus (1) 13 First dorsal annuli separate from prodorsal shield.............................................................................. Achaetocoptes (3) - First dorsal annuli fused with rear of prodorsal shield.................................................................................. Johnella (2) 14 Body vermiform, annuli subequal dorsalventrally............................................................................... Eriophyinae ...15 - Body fusiform, opisthosoma divided into broad dorsal annuli and narrow ventral annuli.............. Phyllocoptinae ...19 15 Scapular tubercles and setae ahead of rear shield margin, setae projecting anteriorly. .......................... Eriophyini ...16 - Scapular tubercles and setae on rear shield margin, setae projecting posteriorly ....................................... Aceriini ...17 16 Female genitalia shortened longitudinally.............................................................................................. Brachendus (1) - Female genitalia not shortened longitudinally........................................................................................... Eriophyes (8) 17 Tibial setae present......................................................................................................................................... Aceria (29) - Tibial setae absent ....................................................................................................................................................... 18 18 Femoral I setae absent................................................................................................................................... Acalitus (5) - Femoral I setae present.............................................................................................................................. Cymoptus (2) 19 Empodium divided ................................................................................................................................. Acaricalini ...20 - Empodium entire......................................................................................................................................................... 24 20 Opisthosoma with several annuli near prodorsal shield fused .................................................................................... 21 - Dorsal annuli not fused ............................................................................................................................................... 23 21 Tibial setae placed distally................................................................................................................ Neoacaphyllisa (1) - Tibial setae placed dorsally ......................................................................................................................................... 22 22 Genual setae on leg II present............................................................................................................ Pentaconvexus (1) - Genual setae on leg II absent........................................................................................................ Calpentaconvexus (1) 23 Dorsal annuli narrow................................................................................................................................. Acaricalus (6) - Dorsal annuli broad................................................................................................................................. Acaphyllisa (2) 24 Scapular setae absent ............................................................................................................................... Calacarini ...25 - Scapular setae present ................................................................................................................................................. 29 25 Some dorsal opisthosomal annuli projecting laterally ................................................................................................ 26 - Opisthosoma without annuli projecting laterally ........................................................................................................ 27 26 Genual seta on leg II present..................................................................................................... Spinacarus gen. nov. (1) - Genual seta on leg II absent...................................................................................................................... Phaulacus (3) 27 Dorsal opisthosoma with three ridges........................................................................................................ Calacarus (2) - Dorsal opisthosoma evenly rounded ........................................................................................................................... 28 28 Genual seta on leg II present................................................................................................ Jiangsuacarus gen. nov. (1) - Genual seta on leg II absent........................................................................................................................... Jutarus (2) 29 Dorsal opisthosomal annuli with lateral lobes........................................................................................... Tegonotus (1) - Dorsal opisthosomal annuli without lateral lobes ....................................................................................................... 30 30 Prodorsal shield with a posterior plate............................................................................................. Hemiscolocenus (1) - Prodorsal shield without posterior plate...................................................................................................................... 31 31 Scapular tubercles and setae ahead of rear shield margin.................................................................. Phyllocoptini ...32 - Scapular tubercles and setae on rear shield margin ............................................................................ Anthocoptini ...46 32 Dorsal opisthosoma with broad annuli, which form thickened bands ........................................................................ 33 - Dorsal opisthosoma annuli normal ............................................................................................................................. 34 34 Dorsal palp genual setae d bifurcate..................................................................................... Cereusacarus gen. nov. (1) - Dorsal palp genual setae d normal .............................................................................................................................. 35 35 First dorsal annulus broad, equal to 3 or 4 annuli..................................................................................... Prominens (1) - First dorsal annulus normal......................................................................................................................................... 36 36 Prodorsal shield with a spine underneath the frontal lobe............................................ Paracaliphytoptus gen. nov. (1) - Prodorsal shield without spine .................................................................................................................................... 37 37 A narrow accessory process present underneath the frontal lobe ............................................................................... 38 - Frontal lobe without accessory process ...................................................................................................................... 39 38 Dorsal opisthosoma with a central ridge.............................................................................................. Caliphytoptus (1) - Dorsal opisthosoma with a central furrow.............................................................................................. Acarelliptus (4) 39 Dorsal opisthosoma with ridges, furrows or evenly rounded ..................................................................................... 40 - Dorsal opisthosoma with a furrow or flat ................................................................................................................... 44 40 Dorsal opisthosoma with ridges or furrows ................................................................................................................ 41 - Dorsal opisthosoma evenly rounded ........................................................................................................................... 43 41 Dorsal opisthosoma with ridges .................................................................................................................................. 42 - Dorsal opisthosoma with furrows............................................................................................................. Cupacarus (1) 42 Middorsal ridge ends in a furrow....................................................................................................... Calepitrimerus (4) - Middorsal ridge fading with subdorsal ridges......................................................................................... Epitrimerus (2) 43 Scapular setae usually projecting forward........................................................................................... Phyllocoptes (12) - Scapular setae projecting convergently to rear.............................................................................................. Vasates (1) 44 Dorsum of opisthosoma flat...................................................................................................................... Caroleptes (1) - Dorsum of opisthosoma with a furrow ....................................................................................................................... 45 45 Middorsal furrow wide....................................................................................................................... Phyllocoptruta (1) - Middorsal furrow narrow........................................................................................................................ Monochetus (1) 46 Dorsal opisthosoma evenly rounded ........................................................................................................................... 47 - Dorsal opisthosoma with a furrow .............................................................................................................................. 50 47 Opisthosoma globose with caudal end narrow and tail-like....................................................................... Nothacus (1) - Opisthosoma not globose ............................................................................................................................................ 48 48 Dorsal annuli broad, abruptly narrowing after setae f............................................................................. Anthocoptes (1) - Dorsal annuli gradually narrow................................................................................................................................... 49 49 Frontal lobe broad........................................................................................................................................... Aculus (3) - Frontal lobe acuminate.................................................................................................................................. Aculops (1) 50 Anterior margin of prodorsal shield with a flexible flap.............................................................................. Rectalox (1) - Anterior margin of prodorsal shield without flexible flap............................................................................ Mesalox (1) 51 Empodium divided ......................................................................................................................... Diptilomiopinae ...52 - Empodium entire....................................................................................................................... Rhyncaphytoptinae ...59 52 Scapular setae absent.......................................................................................................................... Diptilomiopus (2) - Scapular setae present ................................................................................................................................................. 53 53 Tibial seta absent....................................................................................................................................... Lithocarus (1) - Tibial seta present........................................................................................................................................................ 54 54 Genual setae absent from both legs................................................................................................................ Acarhis (1) - Genual setae present on both legs ............................................................................................................................... 55 55 Anterior lobe of prodorsal shield long, bent over.................................................................................... Bucculacus (1) - Anterior lobe normal................................................................................................................................................... 56 56 Dorsal opisthosoma with a weak central ridge............................................................................................ Diptacus (5) - Dorsal opisthosoma with three obvious ridges ........................................................................................................... 57 57 Middorsal ridge short and ends in a wide furrow................................................................. Shaanxicarus gen. nov. (1) - Middorsal ridge long ................................................................................................................................................... 58 58 Middorsal ridge divided for a short distance behind prodorsal shield.................................................... Trimeroptes (1) - Middorsal ridge not divided................................................................................................................... Apodiptacus (1) 59 Femoral setae absent from both legs............................................................................................................... Konola (1) - Femoral setae present on both legs ............................................................................................................................. 60 61 Dorsum of opisthosoma with furrow(s) ...................................................................................................................... 62 - Dorsum of opisthosoma evenly rounded .................................................................................................................... 63 62 Dorsal annuli with finger-like projections........................................................................................ Scoliquadracus (1) - Dorsal annuli without finger-like projections............................................................................................ Cheiracus (1) 63 Frontal lobe emarginated........................................................................................................................... Brevulacus (2) - Frontal lobe not emarginated........................................................................................................ Rhyncaphytoptus (20)