![Crinkled flannel moths caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p11-crinkled-flannel-moth_0.jpg?itok=pDKxCEsU)
![Crinkled flannel moths caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p11-crinkled-flannel-moth_0.jpg?itok=pDKxCEsU)
Caterpillars in Your Yard and Garden, Page 11
Reviewed
Crinkled flannel moths caterpillars (Lagoa crispata) are present in summer and fall. They produce two generations per year.
![Stinging rose caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p43-stinging-rose_0.jpg?itok=Mwf_Av50)
Caterpillars in Your Yard and Garden, Page 43
Reviewed
Stinging rose caterpillars (Parasa indetermina) are present in summer and fall. They produce one to two generations per year.
![Eight-spotted forester caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p14-eight-spotted-forester.jpg?itok=C2_8D4Ai)
Caterpillars in Your Yard and Garden, Page 14
Reviewed
Eight-spotted forester caterpillars (Alypia octomaculata) are present from spring to early fall. They produce one to two generations per year.
![Tomato fruitworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p46-tomato-fruitworm.jpg?itok=Sc9B9xZu)
Caterpillars in Your Yard and Garden, Page 46
Reviewed
Tomato fruitworm, corn earworm caterpillars (Helicoverpa zea) are present in mid-June. They produce two generations per year.
![Fall webworm caterpillars.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p17-fall-webworm.jpg?itok=zlv2PLnW)
Caterpillars in Your Yard and Garden, Page 17
Reviewed
Fall webworm caterpillars (Hyphantria cunea) are present from spring to fall. They produce two to three generations per year.
![Variegated fritillary caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p49-variegated-fritillary.jpg?itok=DgCQnEKP)
Caterpillars in Your Yard and Garden, Page 49
Reviewed
Variegated fritillary caterpillars (Euptoieta claudia) are present from June to October. They produce multiple generations per year.
![Whitelined sphinx caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p52-whitelined-sphinx.jpg?itok=55OmZn3u)
Caterpillars in Your Yard and Garden, Page 52
Reviewed
Whitelined sphinx caterpillars (Hyles lineata) are present from spring to early fall. They produce one to two generations per year.
![Green cloverworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p20-green-cloverworm.jpg?itok=YZmn4XuN)
Caterpillars in Your Yard and Garden, Page 20
Reviewed
Green cloverworm caterpillars (Hypena scabra) are present from summer to fall. They produce three generations per year.
![Yellownecked caterpillars.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p55-yellownecked-caterpillar.jpg?itok=QkEXwgdp)
Caterpillars in Your Yard and Garden, Page 55
Reviewed
Yellownecked caterpillars (Datana ministra) are present from July to September. They produce one generation per year.
![Hag moths caterpillars.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p23-hag-moth.jpg?itok=P0PFaDYp)
Caterpillars in Your Yard and Garden, Page 23
Reviewed
Hag moths caterpillars (Phobetron pithecium) are present in summer and fall. They produce one generation per year.
![Imported cabbageworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p26-imported-cabbageworm.jpg?itok=JxfHiKIk)
Caterpillars in Your Yard and Garden, Page 26
Reviewed
Imported cabbageworm caterpillars (Pieris rapae) are present from early spring to summer. They produce multiple generations per year.
![Monarch caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p29-monarch.jpg?itok=CVeU5xAI)
Caterpillars in Your Yard and Garden, Page 29
Reviewed
Monarch caterpillars (Danaus plexippus) are present in summer months. They produce multiple generations per year.
![Parsleyworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p32-parsleyworm.jpg?itok=jD7-8TkQ)
Caterpillars in Your Yard and Garden, Page 32
Reviewed
Parsleyworm caterpillars (Papilio polyxenes) are present from May to October. They produce three generations per year.
![Cover art for publication G6026](/sites/default/files/styles/large/public/images/g06026cvr.jpg?itok=4XgGBCY7)
![Armyworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p03-armyworm.jpg?itok=JuTqxoRy)
Caterpillars in Your Yard and Garden, Page 03
Reviewed
Armyworm caterpillars (Pseudaletia unipunctata) are present from early summer to fall. They produce three generations per year.
![Poplar tentmaker caterpillars.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p35-poplar-tentmaker.jpg?itok=9EOMc9Rh)
Caterpillars in Your Yard and Garden, Page 35
Reviewed
Poplar tentmaker caterpillars (Clostera inclusa) are present from spring to fall. They produce two generations per year.
![Black cutworm caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p06-black-cutworm.jpg?itok=SXQouD5k)
Caterpillars in Your Yard and Garden, Page 06
Reviewed
Black cutworm caterpillars (Agrotis ipsilon) are present from late spring to fall. They produce one to three generations per year.
![Silverspotted skipper caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p38-silverspotted-skipper.jpg?itok=8-jBMaYK)
Caterpillars in Your Yard and Garden, Page 38
Reviewed
Silverspotted skipper caterpillars (Epargyreus clarus) are present in summer and fall. They produce two to three generations per year.
![Cecropia moth caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p09-cecropia-moth.jpg?itok=80BsnUzi)
Caterpillars in Your Yard and Garden, Page 09
Reviewed
Cecropia moth caterpillars (Hyalophora cecropia) are present from May to August. They produce one generation per year.
![Spiny oak slug caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p41-spiny-oak-slug.jpg?itok=4lftvIpE)
Caterpillars in Your Yard and Garden, Page 41
Reviewed
Spiny oak slug caterpillars (Euclea delphinii) are present in summer and fall. They produce one to two generations per year.
![Cover art for publication IPM1019](/sites/default/files/styles/large/public/images/ipm1019cvr.jpg?itok=yruhXjnq)
Caterpillars in Your Yard and Garden
Reviewed
Caterpillars are some of the most easily observed insects in backyards and gardens. Learn to identify them so you will know what type of butterflies or moths they will turn into.
![Dusty birch sawfly caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p12-dusty-birch-sawfly.jpg?itok=5HlDxuiq)
Caterpillars in Your Yard and Garden, Page 12
Reviewed
Dusty birch sawfly caterpillars (Croesus latitarsus) are present in summer and fall. They produce two to three generations per year.
![Tiger swallowtail cateripllar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p44-tiger-swallowtail.jpg?itok=6prrsAJ_)
Caterpillars in Your Yard and Garden, Page 44
Reviewed
Tiger swallowtail caterpillars (Papilio glaucus) are present from May to October. They produce two to three generations per year. Preferred host plants include hoptree, birch, tulip tree, ash, basswood, cherry, apple, willow and magnolia.
![Elm sawfly caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p15-elm-sawfly.jpg?itok=gqGYallC)
Caterpillars in Your Yard and Garden, Page 15
Reviewed
Elm sawfly caterpillars (Cimbex americana) are present from summer to fall. They produce one generation per year.
![Unicorn caterpillar.](/sites/default/files/styles/large/public/2024-01/ipm1019cvr-p47-unicorn-caterpillar.jpg?itok=NJoGDJ3O)
Caterpillars in Your Yard and Garden, Page 47
Reviewed
Unicorn caterpillars (Schizura unicornis) are present from summer to fall. They produce one generation per year.