Calesalquia, Xue, Wang, Song & Hong, 2009

XUE, XIAO-FENG, WANG, ZHEN, SONG, ZI-WEI & HONG, XIAO-YUE, 2009, Eriophyoid mites on Fagaceae with descriptions of seven new genera and eleven new species (Acari: Eriophyoidea), Zootaxa 2253 (1), pp. 1-95 : 7

Key to eriophyoid mite genera on Fagaceae

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

1 Prodorsal shield with four setae (ve + sc) ....................................................................................... Phytoptidae (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 ...4

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