Sepsid Flies

A male Themira superba (Diptera: Sepsidae).  Identified using the key of Pont & Meier, 2002.

This is a female:

Specimens taken in Whiteknights Park, Reading, UK on 2018-06-02.

Muscid Fly

A male Lispocephala erythrocera (Diptera: Muscidae).  Identified using the key of Fonseca, 1968.

A side view of the genitalia:

And an oblique one:

Specimen taken in the wood around Kings Meadow Tescos, Reading, UK on 2019-01-26.

Lauxaniid Fly

A male Pseudolyciella stylata (Diptera: Lauxaniidae).  Identified using Schacht et al's 2004 translation of the key in Shatalkin, 2000.

The genitalia of the males of this species are very distinctive with their very long asymmetric paramere:

Specimen take in The Wilderness, Whiteknights Park, Reading, UK on 2018-11-03.

Plant Gall

A gall of the fly Hartigiola annulipes (Diptera: Cecidomyiidae) on a leaf of a beech tree (Fagus sp).

Identified using the key of Redfern and Shirley, British Plant Galls, 2011.

Specimen collected in The Wilderness, Whiteknights Park, Reading, UK on 2018-11-03.

Anthomyiid Fly

A male Emmesomyia socia (Diptera:Anthomyiidae). Identified using the 2017 draft keys of Michael Ackland.

A close-up of the gentialia:

And a posterior view of the same:

Specimen take in Whiteknights Park, Reading, UK on 2018-06-30.