Phyllomyza beckeri

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ITIS Name

Phyllomyza beckeri

Rank: 
Species
Unit Name 1: 
Phyllomyza
Unit Name 2: 
beckeri
Usage: 
valid
Authors: 
Kramer, 1920
Page number: 
331
Type data: 
Germany. Saxony: Lobauer Berg; between Zittau & Dresden; Niederoderwitz. ST B lost
BDWD_rec_number: 
126905
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Nomenclature & Description

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Taxon Description

Phyllomyza beckeri Kramer, 1920

Biology

In the Netherlands specimens have been collected May-July in window traps and beer traps in oak trees at 4 m height.

Diagnostic Description

4 dc; palpus yellow.

Morphology

Original description: Länge 2-3 mm; Weibchen gewöhnlich grösser als Männchen, wie meist bei Dipteren.
Kopf matt schwarz. Augen gross, so dass keine Wangen vorhanden sind. Backen dagegen sehr deutlich. An ihnen fallen unten 2 stärkere, nach unten gerichtete Borsten auf. An den Mundwinkeln, je 1 stärkere Vibrisse. Stirn matt, bis vorn hin verhältnismässig reichlich beborstet. Fühler des Männchen mit grossem viereckigen 3. Glied, das bei starker Vergrösserung deutliche Behaarung zeigt. 3. Fühlerglied des Weibchen kleiner und gerundet. Fühlerborste verhältnismässig lang und bei 30facher Vergrösserung kurz gefiedert erscheinend. Taster des Männchen riesenhaft, breit und lang, mehr als 2mal so gross wie die Fühler. Taster des Weibchen auch unverhältnismässig gross, aber doch bedeutend kleiner als die des Männchens. Taster, Rüssel und Fühlerwurzelglieder schmutzig gelbbraun, 3. Fühlerglied verdunkelt.
Thorax braunschwarz mit schwachem Glanze. 4 Dorsocentralen. 2 präscutellare Acrostichalborsten, die vorderen dagegen schwächer und nicht regelmässig geordnet. Am Schildchen hinten 2 stärkere, an den Seiten 2 schwächere Borsten. Flügel fast glashell. Der letzte Abschnitt der 4. Längsader 3mal so gross wie der Abstand der beiden Queradern. Schwinger deutlich gelb.
Beine schmutzig braungelb. Schenkel fast ganz geschwärzt. Schnienen in der Mitte und oben geschwärzt, an den Hinterbeinen am stärksten. Weibchen meist mit ganz gelben Vorderschienen, wie überhaupt mit helleren Beinen. Beine ohne auffällige Beborstung.
Hinterleib dunkelbraun mit schwachem Schimmer.
Diese Art, die ich Herrn Th. Becker in Liegnitz in dankbarer Verehrung widme, fand ich hauptsächlich am Fenster meiner Schulstube vom Juni bis August, am häufigsten Ende Juni und Anfang Juli. ... Die Fliege wurde auch am Fenster des Gasthauses zum Honigbrunnen auf dem Löbauer Berge und als Blinder Passagier im Eilzug Zittau-Dresden festgestellt.

Distribution

Germany, Great Britain, Netherlands, Poland, Spain

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Phyllomyza beckeri, distribution map

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The Milichiidae from 'De Kaaistoep', The Netherlands

Introduction

The Milichiidae fauna of the Netherlands is quite well known due to early collectors like De Meijere and currently activ collectors like Jan Willem van Zuijlen. In the checklist for the Netherlands (Beuk 2002) nine valid species are listed and two nomina dubia . The only recent paper on the milichiid fauna of the Netherlands is by Beuk & Brake (1996).

Phyllomyza male heads (palaearctic species)


 
Species with 2 dorsocentral setae and yellow halters:
Phyllomyza tetragona, photo


Photo:
P. tetragona, male, head, lateral view (Photo: P. Brake)
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