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Image Subject Name Scientific Name Description
5492461 bluegrass billbug Sphenophorus parvulus Billbug adult walking across sidewalk in early spring.
5490539 billbug Sphenophorus coesifrons S. coesifrons, a moderately common billbug found in bermudagrass and St. Augustinegrass.
5492456 bluegrass billbug Sphenophorus parvulus Extensive damage to Kentucky bluegrass sodded lawn showing tall fescue remaining because of their endophytes. Image taken in late July.
5492457 bluegrass billbug Sphenophorus parvulus A 3rd or 4th instar bluegrass billbug larva.
5490540 hunting billbug Sphenophorus venatus vestitus Adult hunting billbug, Sphenophorus venatus vestitus
5490541 hunting billbug Sphenophorus venatus vestitus Hunting billbug adult, Sphenophorus venatus vestitus, walking across bermudagrass putting green.
5492455 bluegrass billbug Sphenophorus parvulus Typical damage to home lawn from the bluegrass billbug and drought. Image taken in early July.
5492462 bluegrass billbug Sphenophorus parvulus Close-up of bluegrass billbug showing diagnostic pits and furrows.
5492463 bluegrass billbug Sphenophorus parvulus Nearly mature billbug that has chewed down turf stem, leaving behind sawdust-like frass, and is now eating the crown.
5492458 bluegrass billbug Sphenophorus parvulus Early pupa of bluegrass billbug extracted from soil in Kentucky bluegrass plot.
5492459 bluegrass billbug Sphenophorus parvulus Adult bluegrass billbug walking across short-cut bentgrass turf.
5492460 bluegrass billbug Sphenophorus parvulus Frass-filled stems of Kentucky bluegrass; this is a diagnostic feature of billbug larval activity.
5490543 billbug Sphenophorus coesifrons Sphenophorus coesifrons found in bermudagrass and other warm-season turf.
5490544 Rocky Mountain billbug Sphenophorus cicatristriatus Sphenophorus cicatristriatus, Rocky Mountain billbug on grass blade.
5492464 bluegrass billbug Sphenophorus parvulus Egg of bluegrass billbug located in chamber in a grass stem.
5490547 hunting billbug Sphenophorus venatus vestitus Hunting billbug adult, Sphenophorus venatus vestitus, showing pattern on pronotum and elytra.
5492465 bluegrass billbug Sphenophorus parvulus Automontage image of bluegrass billbug adult showing typical pits and furrows.
5486190 bluegrass billbug Sphenophorus parvulus Frass filled stems, indicating billbug damage
5486216 bluegrass billbug Sphenophorus parvulus Adult and mature larvae

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