Campoletis ensator (Gravenhorst, 1829)

Verheyde, Fons, Hoekstra, Paul, Libert, Pierre-Nicolas, Meijer, Hilco, Ketelaere, Augustijn De, Vandaudenard, Thibaud, Belgers, Dick & Brosens, Edwin, 1880, Two hundred and five ichneumonid wasps reported for the first time in Belgium and the Netherlands (Hymenoptera: Ichneumonidae), Belgian Journal of Entomology 122, pp. 1-142 : 35-36

Campoletis ensator (Gravenhorst, 1829)

Typical for this genus is the presence of an acute or obtuse median tooth (but not always). Additionally, the species are not too small (at least 5 mm), have at least 26 flagellomeres and a stalked areolet (more details see TOWNES, 1970b; RIEDEL, 2017).

C. ensator has to be collected for identification. Its clypeus has a sharp tooth apically and the ovipositor sheaths are 0.9–1.1× the length of hind tibiae. These hind tibiae have a specific colour pattern distinguishing them from the resembling C. postica (Bridgman & Fitch, 1885) : basally yellow-white, subbasally brown and medially yellowish white. Some of the known lepidopteran hosts (family Noctuidae ) are common in Belgium and the Netherlands ( RIEDEL, 2017).

First report for the Netherlands; unconfirmed in Belgium.

MATERIAL EXAMINED:

THE NETHERLANDS: • 3 ♀♀; Oostermeer, (FR); 53°14’47”N 6°05’03”E; 6/vii/2012; Landschapsbeheer Friesland leg.; coll. HM; malaise trap 193 (29.VI–6.VII); H. Meijer det.