Thread subject: Diptera.info :: Tipulidae number 3 from French Guiana, this one is a dark one
Posted by Bernard Perthuis on 07-07-2018 14:10
#1
Hello, maybe this photo offers enough details for a genus ID ??? Thanks !
I am still in French Guiana so this dark one is a neotropical one. The body is 12 mms long.
Edited by Bernard Perthuis on 25-01-2020 22:11
Posted by John Carr on 07-07-2018 16:01
#2
Megistocera longipennis
Posted by John Carr on 07-07-2018 16:04
#3
Make that
Megistocera sp. There may be more species than I know of and the veins are a little different from
longipennis.
Posted by Bernard Perthuis on 07-07-2018 22:26
#4
There seems to be only one described species of
Megistocera in the New world.
May be an undescribed one.
Posted by John Carr on 10-07-2018 21:58
#5
This may be
Brachypremna instead. I forgot it shared the short A2 vein with
Megistocera. My books are in boxes. I will try to remember to check when I unpack them.
Posted by Bernard Perthuis on 18-07-2018 19:52
#6
Sure, it could be
Brachypremna.
With the help of some good documentation, we will conclude fortunately.
Posted by Bernard Perthuis on 20-08-2018 23:43
#7
Wings look like
Brachypremna dispellens, so I assume that it is a
Brachypremna indeed, but I appreciate a confirmation by a specialist.
https://bugguide....084/bgpage
Edited by Bernard Perthuis on 20-08-2018 23:45
Posted by Bernard Perthuis on 06-10-2018 16:18
#8
Up !
Posted by John Carr on 06-10-2018 21:26
#9
According to
Manual of Central American Diptera, "R1+2 strongly bent vertically toward costa; veins M2, M3, and CuA1 narrowly whitened at or close to the wing margin ...
Brachypremna."
Alexander revised the genus in 1912 and listed species in 1969; see references 1912j and 1969l on ccw.naturalis.nl. In the first paper this would be
B. williamsoni Alexander, but to be sure you would have to compare descriptions of about 20 more later-described species.
Posted by Bernard Perthuis on 07-10-2018 15:33
#10
Thank you so much.