Home > Pyraloidea > Crambidae > Spilomelinae Guenée, 1854 > CNAPHALOCROCIS Lederer

Cnaphalocrocis medinalis Guenée, [1854]; PED 15

  • Taxonomy

    The female holotype of Salbia medinalis [ssp. medinalis] Guenée 1854: 201 is from from ‘Indes orientales?’ it is in the NHM.

    Syn. Botys nursialis Walker, 1859d: 724 from Australia (Moreton Bay), as a ssp (LepIndex) is in the NHM;

    syn? Botys fasciculatalis Walker, ([1866] 1865: 1491 from New Guinea is in the U.M. Oxford. It is 'probably a ssp of medinalis (genitalia diferences miniscule)' (Bradley, 1981);

    syn. Marasmia canstensziana Rothchild, 1915: 129. TL Irian Jaya, (Snow Mountains) is in the NHM. Comb. n. as a ssp of C. medinalis (Munroe, 1991);

    syn Botys iolialis Walker 1859d: 666 TL Hong Kong This is the TS of Cnaphalocrocis Lederer, 1863c: 384) Designated by Klima 1937a: 60 (as syn. in LepIndex);

    syn. Cnaphalocrocis jolinalis Lederer 1863: 385 misspell.;

    syn. Cnaphalocrocis jolealis Lederer 1863: 385, Pl. 12, Fig. 7 misspell. The female type of C. iolialis was recognised as as a junior subjective syn. of C. rutialis Walker 1859 :665 by Lederer 1863: 385 (see also Meyrick 1884b: 304);

    ?syn. Botys rutilalis Walker, 1859d: 665 TL Ceylon (Swinhoe 1890: 272); This syn. should be re-verified as some differences in fasciation are present. We provisionally treat this as a good sp.(See C. rutialis).

    Cnaphalocrocis acerrimalis Walker, ([1866] 1865: 1449-1450) (TL Java) is very similar but not proven syn.

  • Description

    Wing length: 6.5-8.5mm. A coppery yellow and brown sp. Wingspan 15-18mm. FW with straight transverse submedian and postmedian purplish-brown lines angled from the costa. Common around cultivated ground. Note the tuft of scales halfway along the FW costa of the males. The patterning is simpler and the lineation is much straighter and more easily distinguished from most other Cnaphalocrocis spp.. C. rutilalis (Walker, 1859d: 665) is very similar but has the FW submedian line angled towards the body as it reaches the costa and the post median line is practically straight.

  • Distribution & Habitat

    Sri Lanka, India (S., Karnataka, Sikkim, Bhutan), Nepal, Vietnam, Cambodia, Thailand, Sabah, Kalimantan Selatan, Indonesia (Java, Molluccas, Irian Jaya), New Guinea, Australia (NT, Q, W, NSW), Solomon Is. Philippines, China, Taiwan, Korea, Japan. Lowland and hill country in cultivated and grassy areas; <1200m.

  • Life History & Pest Status

    A serious leaf roller pest of Oryza sativa (rice) (Conway & Tay, 1968, Common 1990, Bainbrigge-Fletcher, 1914). Barrion & Litsinger (1980) note natural predation of the larvae by ants. Parasitic Hymenoptera : Ichneumonoidea Scenocharps uchita and S. sinui are reported as parasitic on this pest species in India by Suheer & Narendran (2005). Some varieties of rice are more resistant to attack (Pathak et al., 1994)

  • Similar spp.

    Cnaphalocrocis acerrimalis
    C. rutilalis
    sp. 2

  • Unrelated Look-alikes

    No content available.

  • References

    Bainbrigge-fletcher, T. (1914) Some south Indian insects and other animals of importance considered especially from an economic point of view. Madras, Printed by the superintendent, government press, 565pp.

    Barrion, AT. & Litsinger, J.A. 1980, Ants - A natural enemy of Cnaphalocrosis medinalis larvae in dryland rice. International Rice Research Newsletter 5 (4) : 22-23.

    Bradley, J.D. (1981) Marasmia patnalis sp. n. (Lepidoptera: Pyralidae) on rice in S.E. Asia. Bull. Ent. Res. 71 (2): 323-327.

    Common, I.F.B. (1990) Moths of Australia, Melbourne University Press, Melbourne, Australia. pp. 535.

    Conway, G. & Tay, E.B. (1968) Crop pests in Sabah, Malaysia and their control: With a provisional check list of insects and other animals of agricultural importance in Sabah. Kementerian Pertanian dan Perikanan Sabah, Malaysia [State Ministry of Agriculture & Fisheries (Sabah, Malaysia)].

    Guenée, A. (1854) Deltoïdes et pyralites. In Boisduval, J.A. & Guenée, A., Hist. nat. des Insectes (Spec. gén. Lépid.) Vol. 8, 448pp. + 10 pls., Librarie Encyclopédique de Roret: Paris.

    Lederer, J. (1863c [Nov]) Beitrag zur Kenntniss der Pyralidinen. Wien. entomol. Monat. 7 (11): 379-426, pl. 2-18.

    Pathak, M.D., Zeyaur, R. & Khan, Z.R. (1994) Insect Pests of Rice, International Rice Research Institute, 89 pp.

    Rothchild, L.W. (1916) Lepidoptera of the British Ornithological Union and Wollaston Expedition in the Snow Mountains, southern Dutch New Guinea. Rep. B. O. U. exp. 2 (15): 1-162.

    Suheer, K. & Narendran, T.C. (2005) A new species of Scenocharops (Hymenoptera: Ichneumonidae) parasitic on Cnaphalocrocis medinalis (Guenee) (Lepidoptera: Pyralidae) from Peninsular India. Zoo's print Journal 20 (7): 1917-1919.

    Walker, F. (1859d [May 10]) Pyralides, In; List Spec. Lepid. Ins. Coll. B. M., Cat. Lepid. Heterocera. Ser. 4, 18: 509-798.

    Walker ([1866 Jan 13] 1865) List Spec Lepid. Ins. Coll. B. M., Cat. Lepid. Heterocera. 34, (Suppl. 4): 1121-1533.

  • Genitalia

    No content available.

  • DNA Barcode

    No content available.

  • 3D Imaging

    No content available.

  • Spare

    No content available.

(1) Taxonomy, (2) Description, (3) Distribution & Habitat, (4) Life History & Pest Status, (5) Similar spp., (6) Unrelated Look-alikes, (7) References, (8) Genitalia, (9) DNA Barcode, (10) 3D Imaging, (11) Spare