October 2012 - Journal of Threatened Taxa

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Butterflies of Dibang ValleyM.J.GogoiImage 1. Satellite imagery showing areas covered during field study (Map: Rakesh Saur)photography were conducted on a regular basis duringthe day. Occasional surveys were undertaken after16:00hr to locate shade loving butterflies. Searcheswere conducted near water sources, damp patchesin the forest, open sunny areas, blossoming flowersand bird droppings. Searches were also conductedon hill tops, especially in the catchment areas of hillstreams, as well as from top to bottom of hill streamsto record the maximum number of species. Butterflieswere photographed from different angles as often aspossible to obtain sufficient photographs to enablepositive identification of species. Butterfly specieswere identified using the identification keys of Watson(1897), Evans (1932), Talbot (1947), Smith (1994),Pinratana (1985), Haribal (1992), and photographicguides of Kehimkar (2008).Results and DiscussionThe field study resulted in the recording of 294butterfly species belonging to 156 genera, fromDibang Valley (Table 1). This includes 33 speciesof Papilionidae, 26 species of Pieridae, 59 speciesof Lycaenidae, 115 species of Nymphalidae and61 species belonging to Hesperiidae. Noteworthyrare and endangered species encountered were deNicéville’s Windmill Byasa polla which is includedon Schedule I of the Indian Wildlife (Protection) Act(IWPA), (1972); Khaki Silverline Spindasis rukmini isanother interesting species which is also included onSchedule I of the IWPA, (1972).The matter of greatest concern is that Byasa polla,Spindasis rukmini were recorded outside the protectedarea of MWS. The species were recorded in a smallvillage called Chidu near Nizamghat. The area isundergoing deforestation due to increase of settlementsin the area and clearing of land for agriculture.Logging has also been observed on a small scale inthe area. The increasing use of pesticides in the citrusorchards is another concern in the area. Overall, thelast remaining lowland forest of Lower Dibang Valleyis facing a serious threat to its continued existence atpresent. All these raise serious concerns regarding thesurvival of butterflies in the area. The record of suchrare species in the area shows the potential biodiversityof the area and reflects the need for notification of moreprotected areas in Arunachal Pradesh.It is stressed that the present survey covered theperiod from March–June 2011. Doubtless, there will3138Journal of Threatened Taxa | www.threatenedtaxa.org | October 2012 | 4(12): 3137–3160
Butterflies of Dibang ValleyM.J.GogoiTable 1. Annotated list of butterflies recorded in the Mishmi Hills, Arunachal Pradesh during the study period (March–June2011).Scientific nameCommon nameIndianWPA 1972Scientific nameCommon nameIndianWPA 1972Papilionidae1. Pachliopta aristolochiaearistolochiaeCommon Rose32. Meandrusa lachinuslachinusBrown Gorgon33. Meandrusa payeni evan Yellow GorgonScheduleII Part II2. Troides helena cerberus Common BirdwingPieridae3. Troides aeacus aeacus Golden Birdwing4. Atrophaneura varunaastorionCommon Batwing5. Atrophaneura aidoneus Lesser Batwing6. Byasa polla7. Byasa polyeuctespolyeuctesDe Nicéville'sWindmillCommon WindmillSchedule IPart IV34. Eurema andersoniandersoni35. Eurema blanda silhetanaOne-Spot GrassYellowThree-Spot GrassYellow36. Eurema brigitta rubella Small Grass Yellow37. Eurema hecabe hecabe38. Gandaca harinaassamicaCommon GrassYellowTree YellowSchedule IIPart II8. Byasa dasarada dasarada Great WindmillSchedule IIPart II39. Dercas verhuellidoubledayiTailed Sulphur9. Papilio agestor agestor Tawny Mime10. Papilio epycides epycides Lesser Mime11. Papilio clytia clytia Common Mime40. Catopsilia pomonapomona41. Catopsilia pyranthepyrantheCommon EmigrantMottled Emigrant12. Papilio polytes romulus Common Mormon42. Colias fieldii fieldii Dark Clouded Yellow13. Papilio demoleusdemoleusLime Butterfly14. Papilio castor castor Common Raven15. Papilio helenus helenus Red Helen16. Papilio nephelus chaon Yellow Helen17.Papilio memnon agenor18. Papilio protenoreuprotenor19. Papilio alcmenoralcmenorGreat MormonSpangleRedbreast20. Papilio polyctor ganesa Common PeacockSchedule IIPart IISchedule IPart IV43. Ixias pyrene familiaris Yellow Orange Tip44. Pareronia avatar avatar Pale Wanderer45. Appias lyncida hippoides Chocolate Albatross46. Appias nero galba Orange Albatross47. Appias albina darada Common Albatross48. Appias lalage lalage Spot Puffin49. Appias indra indra Plain Puffin50. Pieris brassicaeLarge CabbageWhite51. Pieris napi montana Green-veined WhiteScheduleIVSchedule IIPart IISchedule IIPart II21. Papilio paris paris Paris Peacock22. Graphium antiphatespompiliusFivebar Swordtail23. Graphium agetes agetes Fourbar Swordtail24. Graphium doson axion Common Jay52. Pieris canidia indicaIndian CabbageWhite53. Cepora nadina nadina Lesser Gull54. Prioneris thestylisthestylisSpotted SawtoothSchedule IIPart II25. Graphium evemonalbociliatis26. Graphium chironideschironidesLesser JayVeined JaySchedule IIPart II55. Prioneris clemanthe Redspot Sawtooth56. Delias belladonna lugens Hill Jezebel57. Delias berinda Dark Jezebel27. Graphium agamemnonagamemnon28. Graphium sarpedonsarpedon29. Graphium xenoclesxenoclesTailed JayCommon BluebottleGreat Zebra58. Delias acalis pyramus Red-breast Jezebel59. Delias agostina agostina Yellow JezebelLycaenidae60. Curetis dentata dentata Angled Sunbeam61. Taraka hamada mendesia Forest Pierrot30. Lamproptera curiuscurius31. Lamproptera megesindistinctaWhite DragontailGreen Dragontail62. Caleta roxus roxana Straight Pierrot63. Caleta elna noliteia Elbowed Pierrot64. Castalius rosimonrosimonCommon PierrotSchedule IPart IVJournal of Threatened Taxa | www.threatenedtaxa.org | October 2012 | 4(12): 3137–31603139
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October 2012 - Journal of Threatened Taxa

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