New zerconid mites (Acari: Mesostigmata: Zerconidae) from Canada, with a review of the genus Mixozercon Halašková, 1963 Author Díaz-Aguilar, Irma Author Ujvári, Zsolt text Zootaxa 2010 2555 1 29 journal article 47794 10.5281/zenodo.196913 18a5c6e5-8297-458d-9e07-ba5e9de6e6b2 1175-5326 196913

TABLE 4. Distinguishing characters between females of Mixozercon stellifer, Mixozercon albertaensis sp. nov.,

M. stellifer	M. albertaensis	M. jasoniana	M. borealis
setae j2 pilose	setae j2 barely pilose	setae j2 smooth	setae j2 smooth
setae z2 and s6 pilose, j6 and s5 smooth	setae j6, z2, s5-s6 short, smooth	setae z2 and s6 often barbed, j6 and s5 smooth	setae j6, z2, s5-s6 short, smooth
pores po1 absent?	po1 above line joining bases of j2 and s1	po1 on line joining bases of j2 and s1	po1 situated medially to s1
setae J1 short (14 μm), pilose, distance between bases 38 μm	setae J1 short (13 μm), smooth, distance between bases 41 μm	setae J1 elongate (23 μm), pilose, distance between bases 16 μm	setae J1 intermediate (18 μm), smooth, distance between bases 21 μm
J5 between dorsal cavities	J5 over the line of dorsal cavities	J5 between dorsal cavities	J5 between dorsal cavities, reaching past margin of idiosoma
Z3 not reaching the bases of Z4	Z3 not reaching the bases of Z4	Z3 reaching the bases of Z4	Z3 reaching the bases of Z4
Z4 elongate (32 μm), pilose, narrowing distally	Z4 elongate (40 μm), broadening distally, brush-like	Z4 elongate (39 μm), broadening distally, brush-like	Z4 elongate (42 μm), broadening distally, brush-like
Z5 smooth S1 situated 20 μm posterolateral to Z1, both short (16 – 17 μm), pilose	Z5 pilose S1 situated 23 μm lateral to Z1, both short (14 – 15 μm), smooth	Z5 barbed S1 situated 11 μm posterolateral to Z1, both long (22 – 24 μm), pilose	Z5 smooth S1 situated 15 μm posterolateral to Z1 both intermediate (18 – 19 μm), scarcely pilose
setae S2 situated anterolateral to Z2	setae S2 situated posterolateral to Z2	setae S2 situated anterolateral to Z2	setae S2 situated anterolateral to Z2
J, Z and S-setae without enlarged setal bases	J, Z and S-setae with enlarged setal bases	J, Z and S-setae with enlarged setal bases	J, Z and S-setae with enlarged setal bases
R1 much longer than other R- setae, pilose	setae R1 smooth	setae R1 finely barbed or smooth	setae R1 finely barbed or smooth
Po2 situated on a line connecting Z1-Z2	Po2 situated on a line connecting Z1-Z2	Po2 situated axially to line connecting Z1-Z2	Po2 situated on a line connecting Z1-Z2
Po3 small	Po3 medium-sized	Po3 large	Po3 medium-sized
medial podonotum covered by circular squamous ornamentation	medial part of podonotum covered by tile-like ornamentation	medial podonotum covered by circular irregular-squamous ornamentation	medial podonotum covered by circular irregular-squamous ornamentation
medial opisthonotum densely covered by large, subtriangular protuberances	medial opisthonotum covered by large, irregular pits	medial opisthonotum rarely covered by large, subtriangular protuberances	medial opisthonotum densely covered by large, subtriangular protuberances
posterior end of peritremal shield straight, reaching beyond the level of R2	posterior end of peritremal shield straight, reaching level of R1	posterior end of peritremal shield curved, reaching beyond level of R3	posterior end of peritremal shield straight, reaching beyond level of R2
post-genital sclerites absent?	post-genital sclerites present	post-genital sclerites absent	post-genital sclerites absent