Table 1. Characters separating M. arunachalensis new species, M. lachungensis new species and M in Review of Melolontha Fabricius, 1775 (Coleoptera: Scarabaeidae: Melolonthinae) from India with the description of two new species

Table 1. Characters separating M. arunachalensis new species, M. lachungensis new species and M. phupanensis.
CharactersM. phupanensisM. arunachalensisM. lachungensis new(Figs. 65–71)new speciesspeciesAntennal club3.5 times as long as stem3.62 times as long as stem3.65 times as long as stem(Fig. 66).(Fig. 25).(Fig. 33).ProtibiaeBidentate (Fig. 69).Bidentate (Fig. 29).Unidentate (Fig. 39).PronotumSurface sparsely setoseSurface densely andSurface only on lateral sides(Fig. 65); serration onuniformly setose (Fig. 27);densely setose (Fig. 35);lateral margins distinctlyserration on lateral marginsserration on lateral marginsdeveloped (Fig. 65).distinctly developed (Fig. 27).poorly developed (Fig. 35).MesometasternalProduced beyondProduced beyond mesocoxae,Weakly produced beyondprocessmesocoxae, surface withsurface smooth with few hairsmesocoxae, surface smoothlong and dense hairs(Fig. 30).with few hairs (Fig. 38).posteriorly (Fig. 67).ParameresLobes of parameresLobes of parameres nearlyLobes of parameres nearlynearly straight at apex,straight at apex, slightlyrounded at apex, not sharplysharply pointed at end inpointed at ends in dorsalpointed ends in dorsal viewdorsal view (Fig. 70) andview (Fig. 43) and strongly(Fig. 44) and nearly straightcurved in lateral viewcurved, bent backwards atin lateral view (Fig. 56);(Fig. 71) (see Keith 2008,apex in lateral view (Fig.ventroapical process offigs. 15, 16); ventroapical55); ventroapical processparamere distinctly elongateprocess not indistinctdistinctly elongate andand gradually acuminatewithout protuberance ongradually acuminate apicallywith a strong, crest–liketop of right paramere inwith a small, crest – likeprotuberance on top of rightlateral view (Fig. 71);protuberance on top of rightparamere in lateral viewdorsal process indistinctparamere in lateral view (Fig.(Fig. 56);(Fig. 70).55); dorsal process, clearlydorsal process clearlymarked, slightly producedmarked, protuberant (Fig.(Fig. 43).44).DistributionLaos and Vietnam.India (Arunachal Pradesh).India (Sikkim).