First report of Pauesia silana Tremblay, 1969 (Hymenoptera: Aphidiidae), a natural enemy of the aphid Cinara pini L., in Algeria

Abstract

A survey of aphids and their parasitoids in a garden park located in Algiers from March 2015 to March 2016 detected the presence of Cinara pini Linnaeus, 1758 for the first time in Algiers. This species had previously been reported in one other location in Algeria. This aphid was found on Pinus nigra and Pinus halepensis. Mummies of C. pini were found to be parasitized by Pauesia silana Tremblay, 1969. This paper provides the first report of P. silana in Algeria.

Review of Aphidiinae parasitoids (Hymenoptera: Braconidae) of the Middle East and North Africa: key to species and host associations

“…Incorporating a missing record, Lysiphlebus cardui (Alikhani et al (Starý et al 2014) is now widely distributed in Europe (Kavallieratos et al 2001(Kavallieratos et al , 2004(Kavallieratos et al , 2005(Kavallieratos et al , 2010(Kavallieratos et al , 2013Žikić et al 2015;Kavallieratos et al 2016;Tomanović et al 2018) and North African countries (Laamari & Coeur d' Acier 2010;Havelka et al 2011;Boukhris-Bouhachem 2011;Ben Halima 2011;Mitrović et al 2013;Tomanović et al 2018). This species has even been recorded in Iran (Rakhshani et al 2005a) and Turkey (Uysal et al 2004;Yoldaş et al 2011;Satar et al 2014 Starý & Leclant 1977;Benhamacha et al 2017). Few species of the genus Pauesia have been recorded in association with Cinarinae aphids in Middle Eastern countries, i.e., Algeria -Pauesia silana (Benhamacha et al 2017); Iran -Pauesia antennata (Rakhshani et al 2005b) and Pauesia hazratbalensis (Starý et al 2005); Iraq -Pauesia antennata ; Morocco -Pauesia cedrobii (Starý & Leclant 1977;Fabre & Rabasse 1987); Saudi Arabia -Pauesia sp.…”

“…This species has even been recorded in Iran (Rakhshani et al 2005a) and Turkey (Uysal et al 2004;Yoldaş et al 2011;Satar et al 2014 Starý & Leclant 1977;Benhamacha et al 2017). Few species of the genus Pauesia have been recorded in association with Cinarinae aphids in Middle Eastern countries, i.e., Algeria -Pauesia silana (Benhamacha et al 2017); Iran -Pauesia antennata (Rakhshani et al 2005b) and Pauesia hazratbalensis (Starý et al 2005); Iraq -Pauesia antennata ; Morocco -Pauesia cedrobii (Starý & Leclant 1977;Fabre & Rabasse 1987); Saudi Arabia -Pauesia sp. (Ahmad & Bakr 2013;Starý et al 2013); Tunisia and Yemen (Cross & Poswal 1996) -Pauesia antennata.…”

Expansion in the distribution of Pauesia silana Tremblay (Hymenoptera, Braconidae, Aphidiinae), across North Africa, a recent discovery in Tunisia

“…Pauesia silana is the second species that is now first recorded from Tunisia, by which the total number of Aphidiinae parasitoids raised to 18 species (see Rakhshani et al, 2019;Ben Halima Kamel et al, 2020). This species has recently been recorded from Algeria in association with Cinara pini (Linnaeus, 1758) on Pinus nigra (Ben Hamacha et al, 2017). New evidence from Tunisia would suggest a recent accidental introduction of parasitoids to both countries, or a horizontal expansion across North Africa.…”

“…Various species of the Lachninae aphids (Hemiptera, Aphididae) belonging to the genera Eulachnus Del Guercio, 1909(Ben Halima Kamel et al, 2019 and Cinara Curtis, 1835(Ben Halima Kamel, 2012 are known in association with Pine trees in Tunisia, as well as in the other North African countries (Sekkat, 1987;Boukhris-Bouhachem et al, 2007;Laamari et al, 2010Laamari et al, , 2013Ben Hamacha et al 2017;Ayache et al, 2020). The aphids generally cause a considerable anti-aesthetic impact on the ornamental and shading pine trees in urban areas (Morris, 2006).…”

Pauesia silanaTremblay, 1969 A Parasitoid of Cinara maghrebica-Aphid in Aleppo Pine Forests in Algeria Case Khenchela Province

“…It is recorded in Italy, France, Spain, Morocco and Malta, and has also been recorded in Argentina and Turkey (Pike & Stary, 1996). In Algeria P. silana has been found in three different habitats: the forest of Khenchela, the sub-urban habitat of Algiers and the urban Batna region, where it is reported to parasitize C. maghrebica feeding on P. halepensis (Aggoun, 2015;Allali, 2016;Mestek, 2019); it has also been reared from the aphid C. pini on P. nigra and P. halepensis (Benhamacha et al, 2017). Pauesia silana seems to be well distributed in coastal and mainland areas of the Mediterranean Region.…”