Sejidae Berlese, 1913
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https://doi.org/ 10.1080/00222930601068950 |
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persistent identifier |
https://treatment.plazi.org/id/03278B40-FFA3-FFC4-425A-25C4FDA05E06 |
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treatment provided by |
Felipe |
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scientific name |
Sejidae Berlese, 1913 |
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Sejidae Berlese, 1913 View in CoL View at ENA
Diagnosis
Posterior edge of the female genital shield at the level of the posterior edge of coxae IV; female st1 platelets (if present) not fused with each other or with the st2 platelets (except in S. stebaevi , in which the st1 platelets are fused to each other); posterior projections (tails) present in at least the larva (except in S. congoensis which never carries such projections).
Remarks
Most species have posterior idiosomal projections in all instars, but the larval projections may be lost in the protonymph ( Sejus solaris , Adenosejus ) or deutonymph ( S. posnaniensis and possibly S. sejiformis ). The number of genital setae in the female (at least three pairs) has been used as a key character for the family Sejidae ( Krantz 1978; Evans and Till 1979). However, Adenosejus krantzi , S. hinangensis , S. rafalskii , Epicroseius porosus , E. tanganicus , E. abinashi , and n. sp. 5 have only two pairs of genital setae and S. congoensis has only one pair. Clearly this character is not unambiguous.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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