Tanytarsini indet 1

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Characters   > Head (4th? instar)   > Comments  

Characters

  • premandible: 2(+x)? (apical+basal),
  • mandible: 3-1-2-1 plate (inner-apical-outer-surface),
  • mentum: 1 middle (?crenate) lateral 5 teeth,
  • 4th? instar,
  • pop: postoccipital plate well developed (triangular),
  • pom: postoccipital margin brown,
  • head pale yellow,
  • antennal pedestal: ~2x width, with well developed spur on pedestal (about as long as wide)

Head (4th? instar):

Comments

4 Comments
#1 Andreas Plank wrote at April 10 Thu, 2008, 15:52 (+0000 UTC) answer

Hi,

 

difficult to say: either a Micropsectra due to premandible (its seems to be bifid) or Tanytarsus due to mandibular teeth Confused ...

 

Andreas

#2 HQ Tang wrote at April 15 Tue, 2008, 12:48 (+0000 UTC) answer homepage

It would be Tanytarus gracilentus (Holmgren) based on the plate-like surface teeth on the mandible. I had recorded in my ph.D.

#3 Andreas Plank wrote at April 15 Tue, 2008, 13:30 (+0000 UTC) answer homepage

the T.gracilentus in Brooks et.al. 2007 has a distinct plate behind the mentum and no spur on antennal pedestal as well ... that's why I placed it separately

 

Andreas

#4 Torbjørn Ekrem wrote at April 19 Sat, 2008, 7:16 (+0000 UTC) answer

This is most probably a Micropsectra. The antennal pedestal spur and bifid premandible is typical of this genus

 

Torbjørn

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