WebThe immature larval stages of Costelytra zealandica, generally known as grass-grub, are New Zealand’s most important native pasture pest. The adult grass-grub beetles, sometimes called brown beetles, are shiny tan/brown, about 10 mm long, and fly at dusk in spring and early summer. They are generally not seen during the day but fly after dusk ... WebAn improved method to produce adults of Costelytra zealandica White (Coleoptera: Melolothinae) from field-collected larvae. Weta 51: 20–29. Full article (PDF). Reference …
Control of the grass grub, Costelytra zealandica (white) …
WebAn improved method to produce adults of Costelytra zealandica White (Coleoptera: Melolothinae) from field-collected larvae. Weta 51: 20–29. Full article (PDF). Reference page. Hoy, J.M. 1952. Note on the occurrence of nematodes in larvae of Odontria zealandica White. New Zealand Entomologist 1(2): 5–6. DOI: … WebThe subfamily Melolonthinae includes the grass grub beetle, Costelytra zealandica (White), whose larvae, although feeding primarily on roots of grasses and other pasture plants, to a certain extent also eat the roots of many other plants including those of trees. theta series
Costelytra zealandica (grass grub) CABI Compendium
WebOct 13, 2016 · As noted above, Costelytra zealandica was not described by examination of the syntype specimens, as these were unavailable at the time, but from a series of 400 specimens collected at different localities in New Zealand from Whangarei to Bluff and the Chatham Islands (Given 1952 Given BB. 1952. A revision of Melolonthinae of New … WebCostelytra zealandica, also known in New Zealand as the Grass-grub beetle, is a significant pest of pastures and turf.The larvae are soil dwellers, feeding on the roots of … WebApr 6, 2009 · 1. Three new species of eugregarine are described from the mid-gut of the larva of Costelytra zealandica (White). 2. Euspora zealandica occurs in the anterior region of the mid-gut near the gut caeca. Slictospora costelytrae occurs just … series similar to gifted