Faunal survey of ants, wasps and bees was conducted on Take-shima, Mi-shima group, Northern Ryukyus, Japan, in 2007. In total 36 species belonging to 26 genera were collected. Among them 14 ant, 3 wasp and 12 bee species are new to this island. Additional data for the aculeate fauna of Iwo-jima was presented based on the 2007 survey. A revised list of Aculeata from Take-shima, and a comprehensive list of Aculeata for the three Mi-shima islands are presented. Some biological and bio-geographical notes are given for the aculeate fauna of the Mi-shima group

Seiki YAMANE

Shuichi IKUDOME

イクドメ シュウイチ

ヤマネ セイキ

山根 正気

幾留 秀一

P(論文)Faunal survey of ants, wasps and bees was conducted on Take-shima, Mi-shima group, Northern Ryukyus, Japan, in 2007. In total 36 species belonging to 26 genera were collected. Among them 14 ant, 3 wasp and 12 bee species are new to this island. Additional data for the aculeate fauna of Iwo-jima was presented based on the 2007 survey. A revised list of Aculeata from Take-shima, and a comprehensive list of Aculeata for the three Mi-shima islands are presented. Some biological and bio-geographical notes are given for the aculeate fauna of the Mi-shima group.departmental bulletin pape

幾留, 秀一

1679

山根, 正気

1680

イクドメ, シュウイチ

1681

ヤマネ, セイキ

1682

IKUDOME, Shuichi

1683

YAMANE, Seiki

1684

Kagoshima Women's Junior College Repository / 鹿児島女子短期大学リポジトリ

－1－Bull. Inst. Minami-Kyûshû Reg. Sci.,Kagoshima Women’s Jr. Coll., (25): 1-8 (2009)Introduction In the previous papers (Ikudome and Yamane, 2007; Yamane and Ikudome, 2008) we presented additional information on the aculeate fauna of Iwo-jima (11.71km2) and Kuro-shima (15.69km2), volcanic islands belonging to the Mi-shima Islands, located in Northern Ryukyus. In 2007 we conducted faunal surveys on another island of the Mi-shima group, namely Take-shima (4.18km2) (Fig. 1), which has no recent volcanic activity and is extensively covered with bamboos. The most comprehensive list of the Aculeata on this island is given in Yamane et al., 1999, where only two species of bees and eight species of wasps are recorded. Our surveys added some ants, wasps and bees to the list.Sampling methods All of ants, wasps and bees were collected by Ikudome on 26-29 July and 22-24 October, 2007. The ants were sampled during 26-28 July by hand collecting (HC) and bait trapping (BT) using sausage as bait. The wasps and bees were mainly caught with a net on the flower of plants Ants, Wasps and Bees of Take-shima, Northern Ryukyus, Japan(Hymenoptera, Aculeata)Shuichi IKUDOMEKagoshima Women’s Junior College,Kagoshima, 890-8565 JapanandSeiki YAMANEFaculty of Science, Kagoshima University,Kagoshima, 890-0065 JapanAbstract Faunal survey of ants, wasps and bees was conducted on Take-shima, Mi-shima group, Northern Ryukyus, Japan, in 2007. In total 36 species belonging to 26 genera were collected. Among them 14 ant, 3 wasp and 12 bee species are new to this island. Additional data for the aculeate fauna of Iwo-jima was presented based on the 2007 survey. A revised list of Aculeata from Take-shima, and a comprehensive list of Aculeata for the three Mi-shima islands are presented. Some biological and bio-geographical notes are given for the aculeate fauna of the Mi-shima group.Key words: Mi-shima group, Ryukyus, Aculeata, fauna, species number, biology, biogeography.－2－The Bulletin of the Institute of Minami-Kyûshû Regional Science, No. 25 (2009)along roads (plant names recorded), but some were collected by random sweeping by net to cover lower vegetation.List of species collected in 2007 In total 36 species belonging to 26 genera were collected in 2007. Genera are arranged in alphabetical order in each family or subfamily. A revised list of aculeate Hymenoptera of this island is given in Table 1.Formicidae<Dolichoderinae>1. Ochetellus glaber (Mayr) HC and BT<Formicinae>2. Camponotus nawai Ito HC & BT3. Camponotus ?bishamon Terayama HC4. Camponotus vitiosus F. Smith HC & BT5. Paratrechina flavipes (F. Smith) HC <Myrmicinae>6. Cardiocondyla kagutsuchi Terayama HC7. Crematogaster nawai Ito HC8. Crematogaster vagula Wheeler BT9. Monomorium chinense Santschi HC & BT10. Monomorium intrudens F. Smith HCFig. 1.  Map of Take-shima and surrounding islands.－3－Ants, Wasps and Bees of Take-shima, Northern Ryukyus11. Pheidole fervens F. Smith HC & BT12. Pheidole noda F. Smith HC & BT13. Pristomyrmex punctatus (F. Smith) HC14. Tetramorium bicarinatum (Nylander) HCPompilidae1. Batozonellus annulatus (Fabricius) 1 female, 28 vii.2. Cyphononyx dorsalis (Lepeletier) 1 female and 1 male, 26 vii.Mutillidae1. Neotrogaspidia pustulata (Smith) 1 female and 1 male, 27 vii (male on Portulaca grandiflora).Scoliidae1. Campsomeriella annulata annulata (Fabricius) 14 females, 26-28 vii, Peucedanum japonicum, Alpinia speciosa, Hibiscus syriacus, Buddleja curviflora var. venenifera; 10 females and 25 males, 22-26 vii, Crepidiastrum lanceolatum, Polygonum chinense var. thunbergianum, Eupatorium variabile, Portulaca grandiflora.2. Megacampsomeris mojiensis mojiensis (Uchida) 3 females and 6 males, 26-28 vii, Peucedanum japonicum, Alpinia speciosa, Buddleja curviflora var. venenifera, Callicarpa japonica var. luxurians; 2 females and 11 males, 22 x, Polygonum chinense var. thunbergianum, Portulaca grandiflora, Eupatorium variabile, Crepidiastrum lanceolatum.Eumenidae1. Anterhynchium flavomariginatum micado (Kirsch) 2 females and 3 males, 26-28 vii, Hibiscus syriacus, Siegesbeckia pubescens, Peucedanum japonicum.2. Stenodynerus chinensis kalinowskii (Radoszkowski) 1 female, 27 vii, Portulaca grandiflora.Vespidae1. Polistes jokahamae Radoszkowski 3 females, 26-27 vii, Siegesbeckia pubescens; 1 female, 22 x. －4－The Bulletin of the Institute of Minami-Kyûshû Regional Science, No. 25 (2009)Sphecidae1. Isodontia nigella (Smith) 1 female and 4 males, 26-28 vii, Peucedanum japonicum.Colletidae1. Colletes perforator Smith 1 male, 23 x, Crepidiastrum lanceolatum.2. Hylaeus hirashimai Ikudome 150 females and 4 males, 28 vii, Peucedanum japonicum; 8 males, 22-23 x, Crepidiastrum lanceolatum; 2 males, 22 x, Polygonum chinense var. thunbergianum; 1 female and 2 males, 23 x, Paederia scandens var. mairei; 4 females and 1 male, 23 x, Peucedanum japonicum.3. Hylaeus insularum insularum Yasumatsu et Hirashima 21 females and 25 males, 28 vii, Peucedanum japonicum; 1 female, 22 x, Portulaca grandiflora; 6 females and 41 males, 22-23 x, Polygonum chinense var. thunbergianum; 24 females and 45 males, 22-23 x, Crepidiastrum lanceolatum; 27 females and 12 males, 23 x, Paederia scandens var. mairei; 2 females, 23 x, Callicarpa japonica var. luxurians; 1 male, 23 x, Peucedanum japonicum.Halictidae1. Halictus (Seladonia) aerarius Smith 1 female, 22 x, Portulaca grandiflora.2. Lasioglossum (Evylaeus) pallilomum (Strand) 24 females and 2 males, 27 vii, Portulaca grandiflora; 4 females and 2 males, 27 vii, Siegesbeckia pubescens; 1 female, 27 vii, Buddleja curviflora var. venenifera; 1 female, 28 vii, Peucedanum japonicum; 22 females and 5 males, 22-23 x, Portulaca grandiflora; 1 female, 22 x, Polygonum chinense var. thunbergianum; 2 females, 23 x, Paederia scandens var. mairei.3. Lasioglossum (Evylaeus) smilodon Ebmer et Sakagami 12 females and 8 males, 27 vii, Portulaca grandiflora; 4 males, 27 vii, Siegesbeckia pubescens; 20 females, 28 vii, Peucedanum japonicum; 13 females and 2 males, 22-23 x, Portulaca grandiflora; 2 females and 2 males, 22-23 x, Crepidiastrum lanceolatum; 1 female, 23 x, Paederia scandens var. mairei.4. Lasioglossum (Evylaeus) villosulum trichopse (Strand) 3 females, 27 vii, Buddleja curviflora var. venenifera.5. Lasioglossum (Lasioglossum) scitulum (Smith) 1 female, 27 vii, Portulaca grandiflora.6. Sphecodes sp. 1 1 male, 27 vii, Portulaca grandiflora.7. Sphecodes sp. 2－5－Ants, Wasps and Bees of Take-shima, Northern Ryukyus 1 male, 22 x, Portulaca grandiflora.Megachilidae1. Megachile okinawana Yasumatsu et Hirashima 10 females and 3 males, 28 vii, Canavalia lineata.Apidae1. Amegilla florea (Smith) 1 female and 1 male, 26 vii, Buddleja curviflora var. venenifera; 2 females, 27 vii, Buddleja curviflora var. venenifera; 2 females, 22 x, Buddleja curviflora var. venenifera.2. Xylocopa appendiculata cirvumvolans Smith 2 females, 26 vii, Buddleja curviflora var. venenifera; 1 female, 27 vii, Alpinia speciosa.Additional collection data from Iwo-jima * indicates a new record.Scoliidae1. Campsomeriella annulata annulata (Fabricius) 2 females, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.2. Megacampsomeris mojiensis mojiensis (Uchida) 1 female and 1 male, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.Eumenidae1. Stenodynerus chinensis kalinowskii (Radoszkowski) 1 male, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.Vespidae1. Polistes jokahamae Radoszkowski 1 female, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.Andrenidae1. Andrena (Chloranderna) knuthi Alfken * 9 females, 4 v, Ixeris dentata, S. Ikudome leg.Halictidae1. Lasioglossum (Evylaeus) taeniolellum Vachal * 1 female, 4 v, Ixeris dentata, S. Ikudome leg.－6－The Bulletin of the Institute of Minami-Kyûshû Regional Science, No. 25 (2009)Ants (14 species) Crabronidae  1. Trypoxylon petiolatumVespidae  1. Polistes jokahamaeSphecidae  1. Isodontia nigellaFormicidae  1. Ochetellus glaber *  2. Camponotus nawai *  3. Camponotus ?bishamon *  4. Camponotus vitiosus *  5. Paratrechina flavipes *  6. Cardiocondyla kagutsuchi *  7. Crematogaster nawai *  8. Crematogaster vagula *  9. Monomorium chinense *10. Monomorium intrudens *11. Pheidole fervens *12. Pheidole noda *13. Pristomyrmex punctatus *14. Tetramorium bicarinatum *Bees (14 species)Colletidae  1. Colletes perforator *  2. Hylaeus hirashimai *  3. Hylaeus insuralum *Halictidae  1. Halictus (Seladonia) aerarius *  2. Lasioglossum (Evylaeus) pallilomum *  3. Lasioglossum (Evylaeus) smilodon *  4. Lasioglossum (Evylaeus) villosulum trichopse *  5. Lasioglossum (Lasioglossum) scitulum *  6. Sphecodes sp. 1 *  7. Sphecodes sp. 2 *Megachilidae  1. Megachile okinawana *Apidae  1. Amegilla florea *  2. Thyreus decorus  3. Xylocopa appendiculata cirvumvolansWasps (11 species)Pompilidae  1. Batozonellus annulatus *  2. Cyphononyx dorsalis *  3. Hemipepsis amamiensisScoliidae  1. Campsomeriella annulata  2. Megacampsomeris mojiensisMutillidae  1. Neotrogaspidia pustulata *Eumenidae  1. Anterhynchium flavomarginatum  2. Stenodynerus chinensisTotal12 families, 29 genera, 39 speciesApidae1. Eucera nipponensis (Pérez) * 7 females, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.2. Xylocopa appendiculata circumvolans Smith * 2 males, 4 v, Rhaphiolepis umbellata, S. Ikudome leg.Table 1.  A revised list of the species of the Aculeata on Take-shima. (* indicates a new record.)－7－Ants, Wasps and Bees of Take-shima, Northern RyukyusTable 2.  Number of the aculeate species on each island of the Mi-shima group.Family GenusT I KFamily GenusT I KFormicidae  1.  Aphaenogaster  2.  Camponotus  3.  Cardiocondyla  4.  Crematogaster  5.  Formica  6.  Hypoponera  7.  Lasius  8.  Monomorium  9.  Ochetellus10.  Pachycondyla11.  Paratrechina12.  Pheidole13.  Ponera14.  Pristomyrmex15.  Solenopsis16.  Temnothorax17.  Tetramorium18.  VollenhoviaPompilidae  1.  Auplopus  2.  Batozonellus  3.  Cyphononyx  4.  Episylon  5.  Hemipepsis  6.  Leptodialepis  7.  Parachyphononyx  8.  PlatydialepisMutillidae  1.  Neotrogaspidia  2.  SmicromyrmeScoliidae  1.  Campsomeriella  2.  Megacampsomeris  3.  ScoliaEumenidae  1.  Anterhynchium  2.  Eumenes  3.  Euodynerus  4.  Stenodynerus-312---21-12-1--1--11-1---1-11-1--114111--11-13--1111-1111---111111--122-3-112112211--12111--111--1111111Vespidae1.  Parapolybia2.  Polistes3.  VespaSphecidae1.  Chalybion2.  Isodontia3.  SceliphronCrabronidae1.  Crossocerus2.  Liris3.  Tachysphex4.  TrypoxylonNyssonidae1.  BembecinusPhilanthidae1.  CercerisColletidae1.  Colletes2.  HylaeusHalictidae1.  Halictus2.  Lasioglossum (Evylaeus)3.  L. (Lasioglossum)4.  Nomia5.  SphecodesAndrenidae1.  AndrenaMegachilidae1.  MegachileApidae1.  Amegilla2.  Ceratina3.  Eucera4.  Tetraloniella5.  Thyreus6.  Xylocopa-1--1----1--12131-2-11---11-1-111121311-213---111-1--1121-11-2-2-112-32123311-111TOTAL 39 53 68T: Take-shima, I: Iwo-jima, K: Kuro-shima.Biological and biogeographical notes All the ant species collected on Take-shima in 2007 represent new records for this small island. Since leaf litter, soil, rotting wood and dead twigs were not examined this time, some species inhabiting these habitats will be found in the future. Half the species collected are so-called tramp species. It is interesting that on all the three islands of the Mi-shima group the famous tramp species －8－The Bulletin of the Institute of Minami-Kyûshû Regional Science, No. 25 (2009)Technomyrmex brunneus has not been collected, while Ochetellus glaber, another dolichoderine species occupying a similar niche, has been constantly collected on all the islands. Three species are added to the wasp list for Take-shima. The occurrence of two mutillid species on Take-shima and Iwo-jima indicates the strong dispersal ability of mutillids over the sea. The poor vespid fauna (1 species) of Take-shima and Iwo-jima contrasts with the rather rich fauna (4 species) of Kuro-shima, which is largest in the Mi-shima group and has the oldest fauna and flora. Most of the bees from Take-shima are basically Palaearctic elements as for Iwo-jima and Kuro-shima. However, Megachile okinawana, a more southerly ranging species, is known from Yakau-shima and Iwo-jima beyond Watase’s Line (Yamane et al., 1999; Ikudome and Yamane, 2007). On the other hand, Lasioglossum sumilodon is known only from the Central and Northern Ryukyus (Yamane and Ikudome, 2008). Although Take-shima is extensively and densely covered with bamboos and has poorer vegetation than Iwo-jima, the number of bee species from Take-shima (14) was more than that from Iwo-jima (11). Two eusocial bee species, Apis cerana and A. mellifera, whose colonies reproduce by budding, have not been found on any of the three islands.Acknowledgement We would like to thank Dr. Ryuki Murao for his kind suggestion on the taxonomy of Lasioglossum.ReferencesIkudome, S. and Yamane, Sk. 2007. Ants, wasps and bees of Iwo-jima, Northern Ryukyus, Japan (Hymenoptera, Aculeata). Bull. Inst. Minami-Kyûshû Reg. Sci., Kagoshima Women’s Jr. Coll., (23): 1-7.Yamane, Sk., Ikudome, S. and Terayama, M. 1999. Identification Guide to the Aculeata of the Nansei Islands, Japan. Xii+831 pp., 24 pls.Yamane, Sk. And Ikudome, S. 2008. Ants, wasps and bees of Kuro-shima, Northern Ryukyus, Japan (Hymenoptera, Aculeata). Bull. Inst. Minami-Kyûshû Reg. Sci., Kagoshima Women’s Jr. Coll., (24): 1-9.(Accepted on Nov.13, 2008) 

Ants, Wasps and Bees of Take-shima, Northern Ryukyus, Japan (Hymenoptera, Aculeata)

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Ants, Wasps and Bees of Take-shima, Northern Ryukyus, Japan (Hymenoptera, Aculeata)

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