Aulacidea hieracii (Bouche, 1834), (hawkweed stem-gall wasp)


30 Sep 2017 at OSGR: SY98 in Dorset, England

Record SummarySexual galls in stems in stand of *Hieracium umbellatum* at roadside
Found asSexual gall
Date30 September 2017
Associated organismHieracium umbellatum
OS grid refOSGR: SY98
Lat/Lon50° 40’ N, 2° 0’ W
Vice CountyDorset, VC no: 9
CountryEngland
Voucher30 Sep 2017[B]
(Please quote this in any queries about this record)

Notes:

2 large and 3 medium-sized galls (plus a few very small ones) collected for rearing [B].

The inhabitants were still larvae when collected on 30th Sept 17.

DATE EMERGED
25th May 18 Female Pteromalus hieracii (Chalcid). (25 May 18 [A])
28-29th May 18 4 adults
30th May 18 14 adults
31st May 18 17 adults
1st June 18 53 adults (photographed)
1st June 18 Brachypterous female Eupelmus vesicularis Clade B (Chalcid) (1 June 18 [A])
2nd June 18 46 adults
3rd June 18 11 adults
4th June 18 6 adults
5th June 18 5 adults
6th June 18 1 adult
7th June 18 1 adult
8th June 18 1 adult
9th June-21st Sept 18 0 adults
(Counts are approximate since they were not carried out at midnight!)

The photographed male and female emerged on 1st June 18.

The following literature was used to identify this find:

macro-photographs
macro-photographs:
photomicrographs
photomicrographs:

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