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Haplothrips Aliakbarii Sp. Nov. (Thysanoptera: Phlaeothripidae): a New Thrips on Oak Trees from Ilam Province (Western Iran)

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Haplothrips Aliakbarii Sp. Nov. (Thysanoptera: Phlaeothripidae): a New Thrips on Oak Trees from Ilam Province (Western Iran) Turkish Journal of Zoology Turk J Zool (2018) 42: 608-613 http://journals.tubitak.gov.tr/zoology/ © TÜBİTAK Short Communication doi:10.3906/zoo-1805-27 Haplothrips aliakbarii sp. nov. (Thysanoptera: Phlaeothripidae): a new thrips on oak trees from Ilam Province (western Iran) Majid MIRAB-BALOU*, Behzad MIRI Department of Plant Protection, College of Agriculture, Ilam University, Ilam, Iran Received: 18.05.2018 Accepted/Published Online: 12.08.2018 Final Version: 17.09.2018 Abstract: Haplothrips aliakbarii sp. nov. (Phlaeothripidae: Phlaeothripinae) is described and illustrated from Ilam Province, western Iran. This new species was collected on the leaves of oak trees (Quercus brantii). An identification key for Iranian species of Haplothrips is presented. Key words: Haplothrips, new species, oak, key, Iran Species of the large genus Haplothrips Amyot & Serville Bagnall, H. kurdjumovi Karny, H. longipes Bagnall, H. (Phlaeothripinae: Haplothripini) are found worldwide, maroccanus Priesner, H. minutes Uzel, H. phyllophilus with 242 extant species (Mound and Matsunaga, 2017). Priesner, H. rabinovitchi Priesner, and H. subtilissimus This genus is divided into two subgenera, Haplothrips and (Haliday). Trybomiella, which are distinguished by the presence or In this paper, we describe a new species of Haplothrips absence of fore wings with duplicated cilia (Minaei and that was collected on the leaves of oak trees in Ilam Mound, 2008). Species of this genus are usually brown and Province, western Iran. An identification key is also are readily recognized from the head gradually narrowed provided for 21 species of Haplothrips from Iran (Minaei towards base, postocular setae pointed, blunt or expanded; and Mound, 2008), and an updated key is provided for antennae 8-segmented, segment III with one or two sense Iranian species of this genus. cones, segment IV with 4 or 5 sensoria; maxillary stylets Specimens were collected on the leaves of oak trees long, retracted far into head, and maxillary bridge present; (Quercus brantii) (Fagaceae) (Figure 1) from Ilam pronotum usually with five pairs of major setae; fore tarsi Province (Western Iran) during July and August 2017. each with or without small tooth; fore wings constricted in The thrips specimens were extracted and placed in a middle, and with or without duplicated cilia; pelta small, conservation fluid. Adult thrips were macerated in 5% generally triangular; abdominal tergites III–VII each KOH and subjected to dehydration in an ethanol series with 2 pairs, or in a few taxa one pair of well-developed, before being mounted onto glass slides in Hoyer’s medium wing-retaining setae. Males with tergite IX setae S2 [see Mirab-balou and Chen (2010) for details on slide short and stout; pseudovirga of aedeagus slender. Most mounting of thrips], and some specimens were mounted of the Haplothrips species are phytophagous with some on slides in Canada balsam. Morphological terminology important pests such as Haplothrips tritici (Kurdjumov) follows Mound and Minaei (2007). The type specimens (zur Strassen, 1975; Tunç, 1992; Özsisli, 2011), and a few were deposited in the Department of Plant Protection, are predators especially on spider mites (Bailey and Caon, College of Agriculture, Ilam University, Iran (ILAMU). 1986; zur Strassen, 1995) and on scale insects (Palmer and All measurements are in micrometers. A key is provided Mound, 1990). according to examined specimens and description from The family Phlaeothripidae includes 59 species in 22 original publications. genera recorded from Iran (Mirab-balou, 2018). Among Haplothrips aliakbarii Mirab-balou and Miri sp. nov. them, the genus Haplothrips with 30 species is the largest (Figures 2–4) genus in the country (Mirab-balou, 2018), with 10 Material examined: Holotype female, IRAN: Ilam predatory species (Minaei and Mound, 2008) including Province, Eyvan, Khoran (33°82.49′N, 46°24.71′E), on H. andresi Priesner, H. flavitibia Williams, H. globiceps oak tree (Quercus brantii), 20.vii.2017, Leg. B. Miri. * Correspondence: [email protected] 608 This work is licensed under a Creative Commons Attribution 4.0 International License. MIRAB-BALOU and MIRI / Turk J Zool Paratypes: 4 females, 1 male, collected with holotype basal part (Figure 3H); major body setae brown-shaded. female, with same data. Five females, Ilam Province, Eyvan Head: Antennae 8-segmented (Figure 3E), with one (33°49.95′N, 46°17.74′E), on oak trees, 11.viii.2017, Leg. B. sensorium on antennal segment III and four sensorial Miri; 4 females, Ilam Province, Dalab forests (33°40′20″N, on segment IV. Head slightly longer than wide, with 46°20′56″E), on oak trees, 15.vi.2017, Leg. M. Mirab- developed maxillary bridge; maxillary stylets very near balou. to postocular setae (Figure 3A); postocular setae long Description: Female macroptera (Figure 2A). Body and finely pointed, reaching to middle of compound eye. dark brown, distal half of fore tibiae and apex of middle Cheeks weakly rounded. Mouth cone short. and hind tibia yellow (Figure 3F), all tarsi yellow; antennal Thorax: Pronotum transverse, notopleural sutures segment I dark brown, segment II pale brown, segments complete (Figure 3B); five pairs of developed setae present: III–VI yellow with brownish shade, and segments VII & anteromarginal setae minute, anteroangular, midlateral, VIII brown (Figure 3E); fore wing hyaline but brown at posteroangular setae and epimeral setae, all almost blunt; Figure 1. Leaves of oak tree, Quercus brantii. Figure 2. Haplothrips aliakbarii sp. nov. A- Female, holotype; B- male, paratype. 609 MIRAB-BALOU and MIRI / Turk J Zool Figure 3. Haplothrips aliakbarii sp. nov. (holotype). A- Head; B- pronotum; C- fore wing subbasal setae; D- fore tarsus in female; E- antenna; F- mid and hind legs; G- abdominal tergites VIII and IX; H- fore wing. 610 MIRAB-BALOU and MIRI / Turk J Zool basantra and ferna present and well developed; ferna segments I–VIII as follows: I 28(40), II 35(30), III 50(28), broad. Mesonotum weakly reticulated. Mesopresternum IV 56(35), V 50(30), VI 47(26), VII 43(22), and VIII boat-shaped. Metanotum weakly reticulate, with median 30(13). slender and acute setae at middle of sclerite (Figure 4B). Male macroptera (Figure 2B): Morphologically very Fore tarsi without tooth (Figure 3D). Fore wing with 8–10 similar to female; fore tarsi also without tooth; with no duplicated cilia; subbasal setae arranged in a line (Figure pore plates on abdominal sternites; abdominal tergite IX 3C), S1 and S2 setae blunt, S3 setae pointed and slightly with short and stout S2 setae. Tube longer than female curved (Figure 3C); fringe cilia smooth. (Figure 4D). Pseudovirga slender, and rounded at apex. Abdomen: Pelta shaped as triangle (Figure 4C). Measurements of male: Distended body length 1810. Anterior pair of wing-retaining setae on abdominal Abdominal tergite IX setae S2 35. tergites II–VII weaker than posterior one (Figure 4A); Remarks: The new species is most similar to Haplothrips tergite VII with a pair of campaniform sensilla (CPS) aculeatus (Fabricius), but it is readily distinguished from very near to each other (Figure 4A), with four microsetae the latter by the following characteristics: fore tarsal tooth around the sensilla; abdominal tergite VIII with CPS far absent in both sexes (versus present and variable in size in from each other (Figure 4A). Tube length short, less than aculeatus); pronotal major setae blunt (versus pointed in twice as long as basal width; anal setae about as long as aculeatus); subbasal setae S1 and S2 finely blunt (versus tube length (Figure 3G). pointed in aculeatus); shape of pseudovirga quite different Measurements of holotype female: Body length in the male of both species. 2150. Head, length 218; median width 213; postocular In addition, the new species looks like H. andresi and setae 72. Pronotum, length 160; width 300; major setae H. subtilissimus in color of body and antennal segments, anteromarginal 8, anteroangular 32, midlateral 36, antennal segment III with one sensorium, and short epimeral 67, posteroangular 55. Fore wing length 880; fore tube. However, this new species can be distinguished wing subbasal setae 38, 38, 57. Abdominal tergite IX setae by combinations of the following characters: pronotal S1 95, S2 95. Tube length 110; basal width 70. Antennal anteromarginal setae minute, but well developed in andresi Figure 4. Haplothrips aliakbarii sp. nov. (holotype). A- Abdominal tergites VII–VIII; B- meso- and metanotum; C- pelta; D- tube of male, paratype. CPS = Campaniform sensilla. 611 MIRAB-BALOU and MIRI / Turk J Zool and subtilissimus; fore wing subbasal setae S1 and S2 finely - Body mainly brown to dark brown ..................................11 blunt but capitate in andresi and subtilissimus; male fore 11. Antennal segment III with one sensorium; tube short .. tarsi without tooth but with small tooth in andresi and .................................................................................................12 subtilissimus. - Antennal segment III with two sensoria; tube short or Distribution: Iran (Ilam Province). long ........................................................................................23 Etymology: This new species is named in honor of 12. Pronotal anteromarginal setae well developed ............13 Professor Mohammad Aliakbari, Dean of Ilam University, - Pronotal anteromarginal setae reduced or minute .........18 Iran. 13. Fore tarsal tooth absent; pronotal major setae pointed Key to species of Haplothrips from Iran
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