Diolcogaster mayae (Shestakov, 1932)

Moghaddam, Mostafa Ghafouri, Rakhshani, Ehsan, Achterberg, Cornelis Van & Mokhtari, Azizollah, 2019, A taxonomic review of the genus Diolcogaster Ashmead (Hymenoptera, Braconidae, Microgastrinae) in Iran, distribution and morphological variability, Zootaxa 4590 (1), pp. 95-124 : 107-109

publication ID	https://doi.org/ 10.11646/zootaxa.4590.1.4
publication LSID	lsid:zoobank.org:pub:A830F9D5-EB71-4834-AEAD-B9E2DAC1E9D7
persistent identifier	https://treatment.plazi.org/id/5824DB5E-F860-FFA0-F4F5-48DBFCE8579E
treatment provided by	Plazi
scientific name	Diolcogaster mayae (Shestakov, 1932)
status

Treatment

Diolcogaster mayae (Shestakov, 1932) View in CoL

( Figs 7–15 View FIGURE 7 View FIGURE 8 View FIGURE 9 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 , 16B View FIGURE 16 )

Microgaster mayae Shestakov, 1932: 260 .

Microgaster iranensis Hedwig, 1957: 112 [SMNS, Figs 15 View FIGURE 15 A–15D]. Synonymized with D. mayae by van Achterberg (1980). Protomicroplitis mayae ; Tobias 1976: 164; van Achterberg 1980: 30.

Diolcogaster mayae View in CoL ; Mason 1981: 114.

Material examined. 154 ♀ and 6 ♂ ( DPPZ) : 71 ♀ and 4 ♂, IRAN, Sistan-o Baluchestan province , Nikshahr county, Pip village (26°37'48.038"N; 060°07'19.302"E), 1090 m, 01.iv.2014 GoogleMaps , light trap mounted in palm orchards, Phoenix sp., M. Danesh; 17 ♀, same label data, but 02.iv.2014; 19 ♀, same label data, but 06.iv.2014; 13 ♀, same label data, but 10.iv.2014 and with swept; 3 ♀, same label data, but 28.vi.2014; 1 ♀, same label data, but 05.ix.2014; 2 ♀, same label data, but 07.iv.2015, and 4 ♀ with swept; 3 ♀, same label data, but 16.iv.2015; 8 ♀, same label data, but 19.iv.2015; 7 ♀, same label data, but 26.iv.2015; 1 ♀, Sistan-o Baluchestan province , Khash county, Darreh’gol (28°36'10.205"N; 061°04'48.789"E) 2533 m, 04.v.2015 GoogleMaps , light trap mounted in natural ecosystem, M. Ghafouri Moghaddam; 1 ♀, same label data, but 05.v.2015; 1 ♀, same label data, but 28.vi.2015, Malaise trap; 3 ♀, Sistan-o Baluchestan province , Sarbaz county (26°30'27.143"N; 061°02'56.427"E) 952 m, 16.v.2015 GoogleMaps , Malaise trap mounted in orchards, M. Ghafouri Moghaddam; 2 ♂, Sistan-o Baluchestan Province , Khash county, Koosheh village (28°33′53.398″N, 061°00′13.568″E) 2100m, 07.vi.2016 GoogleMaps , light trap installed in natural ecosystem, M. Ghafouri Moghaddam.

Additional material. 19 ♀ ( HNHM, all determined by J. Papp, otherwise indicated) : 1 ♀, SE ALGERIA, Tig’amaiin en tisita (?), 25–30.v.1914 , S. G. Geyr; 9 ♀, IRAN, Shiraz , 28.vii.2010 , swept on Pistacia atlantica Desr., M. Zargar ; 1 ♀, ISRAEL, Shezaf nr. Nahal Shahaq (30°45.18'N, 35°15.5'E), 28.vii.1999 GoogleMaps , L. Yarom, Malaise trap; 1 ♀, MONGOLIA, Bajanehongor aimak (46°10'N, 100°42'E), Oase Echin gol, 90 NO von Grensposten Caganbulag, Z. Kaszab, Nr. 859. 28.vi.1967 GoogleMaps ; 1 ♀, RUSSIA, data label in Cyrillic , 10.xi.1932 , Det.: V. I. Tobias, 1966; 2 ♀, Apm , 18.v.1970 , Det.: V. I. Tobias; 1 ♀, YEMEN, Sana’a (15°22'N, 44°11'E), van Harten, 13.ix.1992 GoogleMaps ; 2 ♀. Qa Al-Boun (15°50'N, 44°06'E), van Harten, 8.vii.1992 GoogleMaps ; 1 ♀, Mabar (14°47'N, 44°17'E), van Harten, 8.vii.1992 GoogleMaps .

Redescription. FEMALE. 5 ♀ ( Iran, form A), length of body 3.3–3.5 mm ( Fig. 7A View FIGURE 7 ), length of antenna 3.9–4.1 mm ( Fig. 7B View FIGURE 7 ), length of fore wing 3.2–3.4 mm ( Fig. 8F View FIGURE 8 ); 5 ♂ ( Iran, form A), length of body 3.1–3.3 mm ( Fig. 9A View FIGURE 9 ), length of antenna 4.0– 4.2 mm ( Fig. 9B View FIGURE 9 ), length of fore wing 3.2–3.4 mm ( Fig. 10F View FIGURE 10 ).

Colour. Antenna brownish yellow ( Fig. 7B View FIGURE 7 ); clypeus reddish yellow, mandible whitish yellow, brown apically ( Fig. 7D View FIGURE 7 ); mesoscutum and propleuron brownish black ( Fig. 8A View FIGURE 8 ); T1–T3 completely yellow ( Figs 8 View FIGURE 8 C–8D); mediotergite 4 yellow laterally, with brown spot medially ( Fig. 8D View FIGURE 8 ); medio-tergites 5–8 darker than laterotergites, mostly brown, laterotergites 4–5 yellow and 6–8 brown, sternites 4–8 yellow, hypopygium darker than mediotergites, brownish yellow ( Figs 8 View FIGURE 8 D–8E); all coxae yellow ( Figs 7A View FIGURE 7 , 8E View FIGURE 8 ); only metafemora less dark brown, apically ( Fig. 7C View FIGURE 7 ); metatibia whitish yellow anteriorly, brownish yellow medially and brown spot apically ( Fig. 7C View FIGURE 7 ).

Head. Head height 8.8× temple length ( Figs 7 View FIGURE 7 E–7F), subapical antennal flagellomeres not moniliform, length of second, 12th,13th, 14th, penultimate and apical flagellomeres 2.6, 3.9, 3.0, 2.9, 2.8 and 3.4× as long as their width, respectively ( Fig. 7B View FIGURE 7 ), gena in lateral view smaller than eye width ( Fig. 7F View FIGURE 7 ), malar space very short ( Fig. 7D View FIGURE 7 ), clypeal maximum width 4.5× oculo-mandibular line ( Fig. 7D View FIGURE 7 ), inter-ocular line 6.0× oculo-mandibular line ( Fig. 7C View FIGURE 7 ), eye very large, its height 2.0× its width, 7.2× temple length and 13.5× oculo-mandibular line ( Figs 7 View FIGURE 7 D–7F), OD and POL 2.2× and 3.2× OOL, respectively ( Fig. 7E View FIGURE 7 ), head with some weak rugae ( Figs 7 View FIGURE 7 D–7F).

Mesosoma . Propodeum shiny, rugose anteriorly, smooth posteriorly, with an irregular medio-longitudinal carina and sparse long whitish setae antero-laterally, traces of transverse carina defined with rugose pattern ( Fig. 8B View FIGURE 8 ).

Legs. Metacoxa and metafemora densely punctate, their surface smooth and shiny, covered with dense small whitish setae, metacoxa large, not surpassing posterior margin of T3 ( Figs 7A View FIGURE 7 , 8E View FIGURE 8 ), metafemora 4.2× as long as wide and 1.9× length of metatibia ( Figs 7A, 7C View FIGURE 7 ), metatibial inner spur 0.6× as long as basitarsus ( Fig. 7C View FIGURE 7 ).

Wings ( Fig. 8F View FIGURE 8 ). Fore wing vein R1 about 0.8× as long as pterostigma length, pterostigma 2.7× as long as wide, vein r of 1.6× as long as vein 2RS and slightly curved, vein r-m 1.7× 3RSa. Hind wing vein cu-a straight.

Metasoma. T1 medial length 2.3× its width anteriorly and 2.0× its width posteriorly ( Fig. 8C View FIGURE 8 ), anterior half of T1 parallel-sided, then narrowing towards posterior margin, irregularly rounded, T1 with a long median sulcus, anterior half rather concave, smooth and shiny, posterior half with strong rugae and sparse setae except its median prominence apically ( Fig. 8C View FIGURE 8 ), T2 with a median field, its width 2.1× its medial length at posterior margin, weak rugae medially ( Fig. 8C View FIGURE 8 ), T3 longer than T2, smooth with a trace from median field ( Fig. 8C View FIGURE 8 ), T4–T8 smooth, densely setose, T4 with brown medial spot, setose part of ovipositor sheaths 0.2× as long as metatibia ( Fig. 8E View FIGURE 8 ).

MALE. ( Figs 9–10 View FIGURE 9 View FIGURE 10 ). As female but with minor differences in colour and measurements.

Intraspecific variation. Different ‘forms’ of Diolcogaster mayae in Iran (designated forms A, B and C) was observed. Variations in colour and measurements are shown in Table 4 View TABLE 4 .

Form B ( Figs 11–12 View FIGURE 11 View FIGURE 12 ): 5 ♀, length of body 3.5–3.7 mm ( Fig. 11A View FIGURE 11 ), length of antenna 4.1–4.3 mm ( Fig. 11B View FIGURE 11 ), length of fore wing 2.9–3.3 mm ( Fig. 12F View FIGURE 12 ); 5 ♂, length of body 3.2–3.5 mm, length of antenna 4.2–4.5 mm, length of fore wing 3.1–3.4 mm.

Material examined (form B). 39 ♀ and 5 ♂ ( DPPZ) : 4 ♀ and 3 ♂, IRAN, Sistan-o Baluchestan province, Nikshahr county, Pip village (26°37'48.038"N; 060°07'19.302"E), 1090 m, 03.iv.2015 GoogleMaps , light trap, M. Danesh; 31 ♀, same label data, but 02.iv.2014; 2 ♂, same label data, but 19.iv.2015; 3 ♀, Sistan-o Baluchestan province, Zabol county, Doost Mohammad village (31°09 '57.128"N, 061°43'14.064"E), 470 m, 02.ix.2016 GoogleMaps , Malaise trap in orchards, M. Enayatnia; 1 ♀, South Khorasan province, Giyouk (32°47'45"N; 59°07'25"E) 1917 m, 16.vi.2015 GoogleMaps , Malaise trap mounted in orchards, B. Motamedinia.

Form C ( Figs 13–14 View FIGURE 13 View FIGURE 14 ): 5 ♀, length of body 3.4–3.6 mm ( Fig. 13A View FIGURE 13 ), length of antenna 3.9–4.2 mm ( Fig. 13B View FIGURE 13 ), length of fore wing 3.3–3.6 mm ( Fig. 14F View FIGURE 14 ); 4 ♂, length of body 3.1–3.3 mm, length of antenna 3.9–4.1 mm, length of fore wing 3.4–3.6 mm.

Material examined (form C). 61 ♀ and 4 ♂ ( DPPZ) : 46 ♀ and 2 ♂, IRAN, Sistan-o Baluchestan province , Nikshahr county, Pip village (26°37'48.038"N; 060°07'19.302"E), 1090 m, 01.iv.2014, light trap mounted in palm orchards, Phoenix sp., M. Danesh GoogleMaps ; 10♀, same label data, but 06.iv.2014, and with swept ; 3 ♀, Sistan-o Baluchestan province , Khash county, Darreh’gol (28°36'10.205"N; 061°04'48.789"E) 2533 m, 04.v.2015, light trap mounted in natural ecosystem, M. Ghafouri Moghaddam GoogleMaps ; 2 ♀ and 2 ♂, Sistan-o Baluchestan province , Sarbaz county (26°30'27.143"N; 061°02'56.427"E) 952 m, 16.v.2015, Malaise trap mounted in orchards, M. Ghafouri Moghaddam GoogleMaps .

Ecological notes. Hosts are unknown. Flight period was April to July, September and November, with peak in April. Collected in April–July and some specimens in September.

Distribution in Iran. West Azarbaijan ( Telenga 1955); Sistan-o Baluchestan: Iranshahr ( Hedwig 1957), Khash, Nikshahr, Sarbaz and Zabol; Fars ( Gadallah et al. 2015) and South Khorasan provinces: Giyouk (new record).

Geographic distribution ( Fig. 18A View FIGURE 18 ). Palaearctic: Afghanistan, Algeria (new record), Armenia, Azerbaijan, Iran, Israel (new record), Kazakhstan, Mongolia, Romania, Russia (new record), Tajikistan, Turkmenistan, Uzbekistan. Afrotropical: Yemen (new record).

Similar species. The most similar species is D. claritibia , and, in colouration, it resembles D. alvearia

( Fabricius, 1798); from both it can be differentiated with the key.