Pristiphora punctifrons (Thomson, 1871),

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: 93-95

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Pristiphora punctifrons (Thomson, 1871)


Pristiphora punctifrons (Thomson, 1871)  Figs 107, 138-140, 231

Nematus punctifrons  Thomson, 1871: 111. Holotype ♀ (MZLU2014459) in MZLU, examined. Type locality: Fogelsång near Lund, Sweden.

Nematus platyceros  Zaddach in Brischke, 1884: 135-136. Syntypes ♀♂ possibly destroyed ( Blank and Taeger 1998). Type locality: Gdańsk (=Danzig), Poland; East Prussia (now divided between Russia, Poland, and Lithuania); Scotland, United Kingdom, Sweden; Vienna, Austria. Synonymised with P. punctifrons  by Konow (1902).

Pristiphora viridana  Konow, 1902: 164 (key), 176-177. Lectotype ♀ (GBIF-GISHym3896; designated by Liston et al. 2006) in SDEI, examined. Type locality: Teschendorf, Mecklenburg-Vorpommern, Germany.

Micronematus camtschatcalis  Enslin, 1927: 376-377. Holotype ♀ (DEI-GISHym30136) in ZIN, examined. Type locality: Klyuchevskoye, Kamchatka Krai, Russia. Note. Synonymy by Conde (1934) is here accepted.

Nematus (Pristiphora) punctifrons ab. maculipleura  Hellén, 1948a: 45. Not available. Infrasubspecific name.

Pristiphora aspericeps  Lindqvist, 1960a: 37. Holotype ♀ ( in MZH, examined. Type locality: Tyrväntö, Kanta-Häme, Finland.

Pristiphora flavipicta  Lindqvist, 1975: 14, syn. n. Holotype ♀ (DEI-GISHym20895) in MZH, examined. Type locality: near Murino, Tunkinsky District, Republic of Buryatia, Russia.

Pristiphora mongoloexigua  Haris, 2002: 76-77, syn. n. Holotype ♂ (DEI-GISHym80346; in HNHM, examined. Type locality: Zaisan, Bogd Khan Mountain, Ulaanbaatar, Mongolia.

Pristiphora flavopleura  Haris, 2002: 81, syn. n. Holotype ♀ (DEI-GISHym80355; in HNHM, examined. Type locality: Nukht, Bogd Khan Mountain, Ulaanbaatar, Mongolia.

Pristiphora mongolofausta  Haris, 2003: 116-118, syn. n. Holotype ♀ (DEI-GISHym80354; in HNHM, examined. Type locality: Üyench District, Khovd Province, Mongolia.

Similar species.

Females of P. punctifrons  can be distinguished from other species by having a very deep scopa of valvula 3 (Fig. 107), at least dorsally black coloration (except terga 9-10, which are usually pale), and minute subapical tooth of claws. Males, which seem to be very rare (we have seen only two), are best recognised by examining penis valves (see the Key). We do not treat viridana  Konow (pale form) as a separate species from punctifrons  Thomson (dark form), as the variation in the characters mentioned by Liston et al. (2006) is continuous. Holotypes of flavipicta  Lindqvist and flavopleura  Haris differ from pale forms of punctifrons  only by having a largely pale mesepisternum (which is only slightly pale in one other studied specimen from Kazakhstan). This kind of variation can be considered intra-specific, as it is common in many other species of Pristiphora  .

Genetic data.

Based on COI barcode sequences, specimens of this species are divided between three BIN clusters (BOLD:AAU9246, BOLD:ACW2731, BOLD:ACB0668), which form a monophyletic group (Fig. 3). Minimal distances between these clusters are 1.68-2.57%. Based on nuclear data, maximum within species divergence is 0.9% (based on three specimens and NaK) and the nearest neighbour is 3.2% different ( P. geniculata  , only NaK).

Host plants.

Rosa canina  L. s. l. ( Lorenz and Kraus 1957, Savina and Chevin 2012), Rosa majalis  Herrm. ( Kangas 1985, ex ovo rearing experiments by VV). Records from Betula  ( Enslin 1918, 1919, Stritt 1952) (as P. viridana  ) probably refer to P. alpestris  ( Conde 1934) or P. albilabris  .

Rearing notes.

Ovipositing experiment no. 9/1976: Finland, South Häme, Hämeenlinna, Aulanko. On 14.VI.1976 one captured female laid 3 eggs into teeth of unopened leaves of Rosa majalis  . Larvae hatched on 18.VI.1976, four larval instars were observed. Their development was rapid and on 29.VI.1976 prepupae were seen. No extra moult after feeding.

Distribution and material examined.

Palaearctic, Nearctic. Specimens studied are from Canada, Finland, France, Germany, Kazakhstan, Mongolia, Russia (Kamchatka Krai and Republic of Buryatia), Sweden, and USA.














Pristiphora punctifrons (Thomson, 1871)

Prous, Marko, Kramp, Katja & Liston 1, Veli VikbergAndrew 2017

Micronematus camtschatcalis

Konow 1890