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Alliopsis maculifrons
Johane
#1 Print Post
Posted on 14-05-2020 15:09
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Location: Gothenburg, Sweden
Posts: 1966
Joined: 27.08.13

Hi, does anyone know where I can find a description of Alliopsis maculifrons (Zetterstedt, 1838) or a key that includes this species?
Johan Ennerfelt
 
John Carr
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Posted on 16-05-2020 14:12
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Location: Massachusetts, USA
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The original description, as Anthomyza maculifrons, is on page 672 of Insecta Lapponica at https://www.biodi...raphy/8242. If it's a purely Palaearctic species I don't have any modern works.
 
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Johane
#3 Print Post
Posted on 16-05-2020 21:59
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Location: Gothenburg, Sweden
Posts: 1966
Joined: 27.08.13

Thank you!
Johan Ennerfelt
 
Johane
#4 Print Post
Posted on 23-05-2020 10:36
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Location: Gothenburg, Sweden
Posts: 1966
Joined: 27.08.13

I asked Verner Michelsen who sent me this identification key:

Males
1 Vein C with a few v-setulae immediately distal to insertion of vein R1. Fore tibia with four apical setae in d, pd, p and pv position. Longest pv-setae of hind femur slightly exceeding depth of femur Alliopsis silvestris
– Vein C with scattered v-setulae reaching far distal to insertion of vein R1. Fore tibia with three apical setae in d, p and pv position. Longest pv-setae of hind femur shorter than depth of femur 2
2 Longest aristal pubescense distinctly longer than basal diameter of arista. Male: Frons at narrowest point not exceeding width of ocellar tubercle Alliopsis silvatica
– Longest aristal pubescense equal to basal diameter of arista. Male: Frons at narrowest point wider than ocellar tubercle Alliopsis maculifrons
Females
1 Frons at narrowest point less than 1.5 times as broad as ocellar tubercle, with 0–1 pair of orbital setae. Fore tibia with 4 apical setae in d-, pd-, p- and pv-positions. Vein C with v-setulae barely extended distal to insertion of vein R1 Alliopsis silvestris
– Frons at narrowest point at least 2 times as broad as ocellar tubercle, with 2 pairs of orbital setae. Fore tibia with only 3 apical setae, seta in pd-position absent. Vein C with v-setulae extended far beyond insertion of vein R1 2
2 Aristal pubescence distinctly longer than greatest basal diameter of arista. Fore tarsomeres 2–3 moderately expanded Alliopsis silvatica
– Aristal pubescence no longer than greatest basal diameter of arista. Fore tarsomeres 2–3 strongly expanded Alliopsis maculifrons
Johan Ennerfelt
 
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23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

08.05.25 18:22
I have

03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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