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Most users ever online was 248 on Wed Dec 12, 2007 11:53 pm


Hairless humeri of Syrphus
Hairless humeri of Syrphus
Poster: stuart
Pic Title: Hairless humeri of Syrphus
Pic Description: One of the trickiest couplets in the whole Stubbs & Falk (2002) key is the very first which asks whether the humeri and hairy (subfamily Milesiinae) or bare (subfamily Syrphinae). Unfortunately, in the latter the back of the head tends to be hollowed out and so fit over the front of the thorax obscuring the view - as this photo shows. Hopefully tou can make out the humeri down the gap, but beware of the hair around the humeri, but not actually on them.
Posted: Mon Nov 28, 2005 8:56 am
View: 516
Rating: not rated
Comments: 0
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