bark dwelling Eumenidae house India insect jungle Kanangi Karkala karnataka mason wasps mud nests nest Potter Wasp Potter Wasp Nest predator tree Vespidae vespids wasp Western Ghats animal balck beak bird eye feathers female flycatcher Grallina cyanoleuca grass magpie lark mud nest builder mudlark Murray magpie nature outdoors peewee peewit walking white wing dea pain male xymonau