Indian Entiminae
(Broad nosed weevils)
| Common Name: | : | Lesser grain weevils or rice weevil |
|---|---|---|
| Species Name | : | Sitophilus oryzae Linnaeus (1763) |
| Taxonomic_position | : | Dryophthorinae: Rhynchophorini: Litosomina |
| Synonyms | : | Curculio oryzae Linnaeus, 1763: 395; Fabricius, 1801: 438 (Calandra); Herbst, 1795: 18 (Rhynchophorus); Gyllenhal in Schoenherr, 1838: 981 |
| Diagnosis | : | Body colour black to ferrugineus, antennae and tarsi brown. Head moderately punctate at crown region, punctations dense near eye as broad as long. Eyes subdorsal, well visible in dorsal view and as long as broad. Rostrum as long as head and pronotum combined. Antennae brown, scape clavate, as long as funicle and club combined; funicle comprise of six antennomeres. Prothorax anterior margin subtruncate, moderately constricted subapically, posterior margin bisinuate. Elytra punctatostriate; Legs moderate, rather slender. |
| Host | : | Rice, wheat, maize, sorghum, millets and pulses. |
| Distribution | : | Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Delhi, Karnataka, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Tripura, West Bengal. | References | : | Singh, A.K., Kumar, K. and Kumar, S., 2018. Taxonomic redescription of the rice weevil (Sitophilus oryzae). Journal of Pharmacognosy and Phytochemistry, 7(1), pp.36-39. |
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