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United States Department of Agriculture

Agricultural Research Service

KEY TO SELECTED PYRALOIDEA (LEPIDOPTERA)
LARVAE INTERCEPTED AT U. S. PORTS OF ENTRY
Couplet 31
Body with pinkish middorsal stripe and two lateral stripes on each side (Fig. 67); setal pinacula concolorous with body
...............................................................................................................................Chilo suppressalis (Walker)


Distribution: Europe, Middle East, Southeast Asia to India, Oceania; adventive in Hawaii

Hosts: 2006: Cymbopogon citratus, Cymbopogon flexuosus, reed, Phragmites sp., Phragmites australis, Saccharum sp., Saccharum officanarum

pre-1998: cabbage, corn, eggplant, millet, rice straw, sugarcane, sorghum, tomato, and wheat, many others

Note: early instars with crochets in an incomplete circle on specimens on reed from China see Bleszynski 1970; Meijermann & Ulenberg 1996; Whittle & Ferguson 1988
Body with or without lateral stripes, but without pinkish middorsal stripe; setal pinacula concolorous with body (winter form) or darkly pigmented (summer form)
.....................................................................................................................................................Diatraea spp.


Distribution: tropical Western Hemisphere including southern U.S.

Hosts: 2006: Cymbopogon citratus, Cyperus papyrus, Musa sp., Saccharum officinarum, Spartina alterniflora, Tripsacum dactyloides, Zea mays

pre-1998: rice, sorghum

Note: Some species of Chilo will key to Diatraea based on color pattern (Passoa, pers. comm.), but Diatraea does not occur in the Old World; see Box 1931; Dyar & Heinrich 1927; Riley & Solis 2005; Solis 2004
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Last Modified: 3/25/2011
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