Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula

Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula

Journal of Asia-Pacific Biodiversity xxx (2017) 1e3 Contents lists available at ScienceDirect Journal of Asia-Pacific Biodiversity journal homepage: h...

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Journal of Asia-Pacific Biodiversity xxx (2017) 1e3

Contents lists available at ScienceDirect

Journal of Asia-Pacific Biodiversity journal homepage: http://www.elsevier.com/locate/japb

Original Article

Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula Junggon Kim a, Hong Ki Min b, Woon Kee Paek b, Sunghoon Jung a, * a Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, Republic of Korea b Research and Promotion Division, National Science Museum of Korea, Daejeon, Republic of Korea

a r t i c l e i n f o

a b s t r a c t

Article history: Received 25 July 2016 Received in revised form 22 April 2017 Accepted 5 May 2017 Available online xxx

Two new records of the Deraeocorinae (Hemiptera: Heteroptera: Miridae) are reported from the Korean Peninsula, Termatophylum hikosanum Miyamoto, 1965 and Fingulus longicornis Miyamoto 1965. With these species, their higher taxa, the tribe Termatophylini and the genus Fingulus are also reported for the first time to the Korean fauna. Morphological and biological information of the species are provided with photographs. Ó 2017, National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing Services by Elsevier. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/).

Keywords: Miridae Termatophylini Fingulus New record The Korean Peninsula

Introduction The subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) have a world-wide distribution and comprise six tribes up to date: Clivinemini, Deraeocorini, Hyaliodini, Saturniomirini, Surinamellini, and Termatophylini (Wheeler 2000; Schuh 2002e 2013). These deraeocorine plant bugs are predominantly known as general predators, and some groups (e.g. Clivinematini and Hyaliodini) and/or some species (e.g. Stethoconus japonicus and Fingulus longicornis) are reported as specialized predators for specific insect pests such as lace bugs, thrips, and scale insects (Wheeler 2000, 2001). Therefore, deraeocorines are considered important economically on agriculture, forest or ecosystems (Wheeler 2000). In this study, two deraeocorine species, Termatophylum hikosanum Miyamoto, 1965 and Fingulus longicornis Miyamoto, 1965, are recorded from the Korean Peninsula. Based on discoveries of these species, their higher taxa, the tribe Termatophylini and the genera Termatophylum and Fingulus of the subfamily Deraeocorinae are also recorded for the first time from the Korean fauna.

* Corresponding author. Tel.: þ82428215767; fax: þ82428238679. E-mail address: [email protected] (S. Jung). Peer review under responsibility of National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA).

The tribe Termatophylini is distributed in all zoogeographical regions, apart from the Nearctic region, and comprises 10 genera and 34 species in the world (Cassis 1995; Cassis and Eyles 2006; Cassis et al 2011). Most members of this group are recognized by anthocorid-like habitus and head form and are reported as predators for minute arthropods in microhabitats such as bark of woods (Cassis 1995; Schuh and Slater 1995; Nakatani 1997). The genus Fingulus Distant, one of the Deraeocorini genera, is easily recognized from other deraeocorines by unique structures: head projected dorsally; neck-like posterior part of head; collar distinctly broad and flattened; cuneal fracture well developed; and unique male genitalia (Stonedahl and Cassis 1991). Furthermore, in case of the last instar of this group, elongated abdominal segment, one of the unique characters, apparently exhibits thrips-mimicry, which is related with their prey as a thrip predator (Nakatani et al 2000).

Material and methods Photographs of dorsal habitus of each specimen were taken using the Leica M165C microscope. Measurements were taken using a software program of the same microscope. All measurements are given in millimeters (mm). Terminology mainly follows Nakatani (1997). Depository of the type specimen is Entomological Laboratory, Faculty of Agriculture, Kyushu University (ELKU),

http://dx.doi.org/10.1016/j.japb.2017.05.001 pISSN2287-884X eISSN2287-9544/Ó 2017, National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing Services by Elsevier. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Please cite this article in press as: Kim J, et al., Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula, Journal of Asia-Pacific Biodiversity (2017), http://dx.doi.org/10.1016/j.japb.2017.05.001

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J Kim et al. / Journal of Asia-Pacific Biodiversity xxx (2017) 1e3

Fukuoka, Japan. Depository of the examined specimens is Laboratory of Systematic Entomology, Chungnam National University (CNU), Daejeon, Korea, and National Science Museum (NSM), Daejeon, Korea. Distribution with an asterisk means its new record. Taxonomic accounts Tribe Termatophylini Reuter, 1884 꽃장님노린재족 (신칭) Termatophylini Reuter, 1884: 218 (Termatophylina). Type genus: Termatophylum Reuter, 1884. Genus Termatophylum Reuter, 1884 꽃장님노린재속 (신칭) Termatophylum Reuter, 1884: 218. Type species: Termatophylum insigne Reuter, 1884. Termatophylum hikosanum Miyamoto, 1965 꽃장님노린재 (신칭) (Figures 1A, 1C, 2A, 3) Termatophylum hikosanum Miyamoto, 1965a: 272; Nakatani, 1997: 594. Diagnosis. Recognized by body reddish brown and elongated; second antennal segment long and slender, 1/3 apical part of second segment dark brown (Figure 1C); tylus distinctly projected; pronotal collar brownish (Figure 1A). Description. See Nakatani (1997) for detailed description. Measurements (in mm). Female (n ¼ 1) Body length, tyluseapex of membrane: 2.91; head length, excluding collar: 0.44; head width, including compound eyes: 0.48; vertex width: 0.07; 1st antennal segment length: 0.19; 2nd antennal segment length: 0.43; 3rd antennal segment length: 0.24; 4th antennal segment length:

Figure 3. Holotype of Termatophylum hikosanum.

0.22; total antennal length: 1.08; mesal pronotal length: 0.63; basal pronotal maximal width (straight): 0.88; anterior scutellumal width: 0.46; mesal scutellumal length: 0.36; outer embolial margin length (straight): 1.13; outer cuneal margin length (straight): 0.43; maximal width across hemelytron: 0.56; hindleg (femur: tibia: tarsus): 0.63:0.78:0.33. Specimen examined. 1_(Holotype), Hikosan, Buzen, Kyushu, 22e 26 viii 1961 (S Miyamoto)-coll. ELKU; 1\, Donam-dong, Jeju-si, Jejudo (Is.), Korea, 5 ix 2015, on Mallotus japonicus (JG Kim)-coll. CNU.

Figure 1. Dorsal habitus and diagnostic characters of Termatophylum hikosanum and Fingulus longicornis: A, dorsal habitus; B, ditto; C, first and second antennal segment; D, hindtibia; A, C, T. hikosanum; B, D, F. longicornis. .

Figure 2. Live adult of Termatophylum hikosanum and Fingulus longicornis: A, T. hikosanum; B, F. longicornis.

Please cite this article in press as: Kim J, et al., Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula, Journal of Asia-Pacific Biodiversity (2017), http://dx.doi.org/10.1016/j.japb.2017.05.001

J Kim et al. / Journal of Asia-Pacific Biodiversity xxx (2017) 1e3

Distribution. Korea (Jeju Is.)*, Japan, China. Biology. This species was reported as a predator of thrips (Thysanoptera) in Japan (Takeno 1998; Wheeler 2001). Remarks. In the present study, this species is reported for the first time from Korea Tribe Deraeocorini Douglas and Scott, 1865 Deraeocorini Douglas and Scott, 1865: 29 (Deraeocoridae). Type genus: Deraeocoris Kirschbaum, 1856. Genus Fingulus Distant, 1904 뾰족머리장님노린재속 (신칭) Fingulus Distant, 1904: 275. Type species: Fingulus atrocaeruleus Distant, 1904. Ix Bergroth, 1916: 234 (Synonymized by Carvalho, 1955: 221). Type species: Ix porrecta Bergroth, 1916. Anchix Hsiao, 1944: 377 (Synonymized by Carvalho, 1955: 221). Type species: Anchix atra Hsiao, 1944. Fingulus longicornis Miyamoto, 1965 뾰족머리장님노린재 (신칭) (Figures 1B, 1D, 2B) Fingulus longicornis Miyamoto, 1965b: 272; Stonedahl and Cassis, 1991: 30; Nakatani et al., 2000: 318. Diagnosis. Recognized by first antennal segment dark brown; second segment entirely pale brown; pronotal collar punctate; membrane hyaline; 1/3 basal part of tibia distinctly dark brown (Figure 1D); tarsus entirely pale brown (Figure 1B). Description. See Miyamoto (1965b) and Stonedahl and Cassis (1991) for original description and detailed redescription, respectively. Measurements (in mm). Female (n ¼ 2) Body length, tyluseapex of membrane: 4.45e4.74; head length, excluding collar: 0.46e0.58; head width, including compound eyes: 0.63e0.69; vertex width: 0.16e0.18; 1st antennal segment length: 0.48e0.53; 2nd antennal segment length: missinge1.63; 3rd antennal segment length: missinge0.93; 4th antennal segment length: missing; mesal pronotal length: 1.08e1.13; basal pronotal maximal width (straight): 1.54e1.67; anterior scutellumal width: 0.56e0.68; mesal scutellumal length: 0.91e0.93; outer embolial margin length (straight): 1.90e2.10; outer cuneal margin length (straight): 0.64e0.71; maximal width across hemelytron: 0.85e0.90; hindleg (femur: tibia: tarsus): 1.27e1.31:1.67e1.93:0.36e0.37. Specimen examined. 1\, Bongnam-ri, Yeonggwang-gun, Jeollanam-do, Korea, 5 vii 2009 (SL An)-coll. NSM; 1\, Saeun-ri, Chilseong-myeon, Goesan-gun, Chungcheongbuk-do, Korea, 25 iv 2016, by light rap (WG Kim)-coll. CNU. Distribution. Korea*, Japan, Taiwan, Philippine. Biology. This species was reported as a predator for Gynaikothrips ficorum (Thysanoptera, Phlaeothripidae) on Ficus microcarpa (Moraceae) in Japan (Nakatani et al 2000). Conflicts of interest The authors declare no conflicts of interest.

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Acknowledgments We would like to thank Mr SangSu Kim and Mr WonGun Kim for providing pictures and a valuable specimen for this study. This work was supported by a grant from the National Institute of Biological Resources, funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR201701203), was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (NRF-2011-35A-C00001) and was supported by National Research Foundation (2013M3A9A5047052) of Korea.

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Please cite this article in press as: Kim J, et al., Two new records of the subfamily Deraeocorinae (Hemiptera: Heteroptera: Miridae) from the Korean Peninsula, Journal of Asia-Pacific Biodiversity (2017), http://dx.doi.org/10.1016/j.japb.2017.05.001