Entries by Tristram Brelstaff (2968)

Tuesday
Nov062018

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.

Saturday
Nov032018

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.

Sunday
Oct282018

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.

Wednesday
Sep262018

Sarcophagid Fly

A male Sarcophaga anaces (Diptera: Sarcophagidae).

This is a species that is not included in The Sarcophagidae of Fennoscandia and Denmark, Pape, 1987 but is in Sarcophaga of France (Diptera: Sarcophagidae), Richet et al, 2011.  Another such species is Sarcophaga dissimilis.

The male genitalia of S. anaces are quite distinctive:

One of four specimens taken between Kennet Mouth and Thames Valley Park, Reading, UK on 2018-09-25.

Sunday
Sep232018

Muscid Fly

A female Phaonia rufipalpis (Diptera: Muscidae).  Identified using the key of Fonseca, 1968.

Specimen caught in Chazey Wood near Caversham, UK on 2018-09-10.