Oligotrophus juniperinus (Linnaeus, 1758)

Oligotrophus juniperinus (Linnaeus, 1758) View in CoL

( Figure 46 View FIGURE 46 )

Material: VE, Faerder: Hvasser, Krukehavn , 59.076776°N 10.452109°E ± 250m, 15 June 2019, L, leg. HE, coll. NHMO GoogleMaps ; AK, Oslo: Ellingsrud, Munkebekken , 59.928740°N 10.912298°E ± 25m, 6 April 2020, L, leg. HE, coll. NHMO GoogleMaps ; Ellingsrud , 59.932185°N 10.905159°E ± 5m, 1 January 2022, LFM, leg. HE, coll. NHMO GoogleMaps ; Djupdalen , 59.952077°N 10.950801°E ± 6m, 19 March 2020, L, leg. HE, coll. NHMO GoogleMaps ; Lillestrøm: Branderud , 59.982254°N 11.144906°E ± 5m, 29 May 2020, PF, leg. TS, BOLD: NHMO-ENT-548230, coll. NHMO GoogleMaps ; OS, Etnedal: Jomfruslettfjellet , 61.041793°N 9.674305°E ± 100m, 4 October 2022, L, leg. HE, coll. NHMO GoogleMaps ; TRI, Storfjord: Skibotndalen, Lullefjellet , 69.303553°N 20.440693°E ± 700m, 4 July 2019, L, leg. HE, coll. NHMO GoogleMaps ; NSY, Gildeskål: Sund, Sundsvannet , 67.060049°N 14.066206°E ± 5m, 20 July 2019, L, leg. HE, BOLD: NHMO-ENT-547976, coll. NHMO GoogleMaps ; 67.059823°N 14.065962°E ± 6m, 25 July 2020, L, leg. HE, coll. NHMO GoogleMaps .

Biology and notes: The orange larvae produce bottle-shaped galls on lateral and terminal shoots of Juniperus communis ( Cupressaceae ). Each gall consists of an inner and an outer whorl of needles, each made up of three needles. The three outer needles are broad and have diverging tips. The inner ones are more or less fused, forming a central chamber for the larva. Univoltine; the larva hibernates in the gall and pupates there in the spring. This species is extremely common all over Norway. A second species of the genus, Oligotrophus panteli Kieffer, 1898 , was recorded in Norway by Skuhravá & Skuhravý (2012). Several other species of Oligotrophus may occur in Norway.

Distribution: Western Palearctic. Widespread in Europe including Norway, Sweden, Denmark and Finland. More common at high altitudes and high latitudes.