Pristiphora thalictrivora Lindqvist, 1962,

Prous, Marko, Kramp, Katja & Liston 1, Veli VikbergAndrew, 2017, North-Western Palaearctic species of Pristiphora (Hymenoptera, Tenthredinidae), Journal of Hymenoptera Research 59, pp. 1-190: 80

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Pristiphora thalictrivora Lindqvist, 1962


Pristiphora thalictrivora Lindqvist, 1962  Figs 218, 221, 247

Pristiphora thalictrivora  Lindqvist, 1962: 110-111. Holotype ♀ (DEI-GISHym20905) in MZH, examined. Type locality: Helsinki, Finland.

Pristiphora rufiventris  Lindqvist, 1974a: 118-119. Holotype ♂ (DEI-GISHym20909) in MZH, examined. Type locality: Kuusamo, Finland.

Pristiphora thalictricola  Lindqvist, 1974a: 117-118. Holotype ♀ (DEI-GISHym20850) in MZH, examined. Type locality: Oulanka, Kuusamo, Koillismaa, Finland.

Similar species.

Species limits in the rufipes  group are still unclear.

Genetic data.

Based on COI barcode sequences, specimens of the rufipes  group are divided between five BIN clusters (BOLD:AAI2590, BOLD:AAU8834, BOLD:ABU9175, BOLD:ABV4437, and BOLD:ACW1774), four of which are found in Europe (BOLD:AAU8834 is so far known only from Canada) (Fig. 5). Minimal distances between these clusters are 3.06-4.35%. Because of unresolved taxonomy, it is not yet clear how different species are divided among these BIN clusters. Based on nuclear data, maximum divergence within the group is 1.4% (based on eight specimens and TPI) and the nearest neighbour is 1.0% ( P. cincta  , both genes combined) or 0.4% different ( P. cincta  , only NaK).

Host plants.

Thalictrum flavum  L. ( Lindqvist 1962, ex ovo rearing experiments by VV), Thalictrum simplex  L. ( Lindqvist 1974a, as P. thalictricola  ).

Rearing notes.

Ovipositing experiment 52/1987: Finland, South Häme, Janakkala (uniform grid reference 6760:3370). On 18-19.VI.1987 one captured female laid eggs on leaf margin of Thalictrum flavum  . Larvae hatched on 22.VI.1987. There were four larval instars, larvae grew rapidly and on 2.VII.1987 prepupae were seen. No extra moult after feeding.

Distribution and material examined.

Palaearctic. Specimens studied are from Estonia, Finland, and Sweden.