Cloudless Sulphur on Partridge Pea (in Florida)

 


 Black Swallowtail caterpillar (early instar) in New Jersey

 

Orange Sulphur on Black-eyed Susan (in New Jersey)

 

Giant Swallowtail eggs on Hercules Club (in Florida)

 

Spicebush caterpillar

 

Morning Cloak on Common Milkweed (in New Jersey)

 

Common Butterflies Seen in Yards and Gardens in the Northern New Jersey and New York City Area

Just starting to observe butterflies? The butterflies listed below are ones that are likely to be seen in Northern New Jersey and the New York City area.

In the table below, the numbers in "Flight Period" and "Caterpillar Season" correspond to the month (4 = April, 5 = May, etc.), with < meaning earlier in the month, m the middle of the month, and > late in the month.

Expected Frequency of Sighting
Name
Flight Period
Caterpillar Season
Caterpillar Food Plants
 
Black Swallowtail (Papilio polyxenes)
>4-9
5-9
Golden zizia (Zizia aurea)
Often - 2
Eastern Tiger Swallowtail (Papilio glaucus)
>4-m9
5-9
Wild Black Cherry, Tulip tree
Very frequent - 1
Cabbage White (Pieris rapae)
>3-<11
4-<11
Plants in the mustard (Cabbage) family
Occasionally - 3
Spicebush Swallowtail (Papilio troilus)
>4-m9
5-9
Sassafras, Spicebush
Occasionally - 3
Clouded Sulphur (Colias philodice)
m4 - <11
5 - 11
False Indigo (Baptisia australis)
Occasionally - 3
Orange Sulphur (Colias eurytheme)
m4 - <11
5 - 11
False Indigo (Baptisia australis)
 
Gray Hairstreak (Strymon melinus)
>4 - 10
5 - 10
Many, esp. pea and mallow families
 
Eastern Tailed-Blue (Everes comyntas)
>4 - 10
5 - 10
Pea family: False Indigo (Baptisia australis)
Occasionally - 3
'Summer' Spring Azure (Celastrina ladon (neglecta))
m6 - <9
7 - 9
Flowers in many families
Occasionally - 3
Pearl Crescent (Phyciodes tharos)
5 - 10
5 - 10
Often - 2
2 - Question Mark (Polygonia interrogationis)
5 - <11
<4 - 5, 7 - <8
Nettles, elms, Hackberries, willows
Often - 2
2 - Mourning Cloak (Nymphalis antiopa)
3 - <11
5 - <6, >7 - <8
Willow and others
Often - 2
2 - American Lady (Vanessa virginiensis)
m4 - 10
5 - 10
Composites, esp. Pearly Everlasting
Often - 2
2 - Painted Lady (Vanessa Cardui)
4 - 10
5 - 10

 

Thistles and many other species

 

Often - 2 2 - Red Admiral (Vanessa atalanta) m4 - 10 5 - 10 Nettles
  Little Wood-Satyr (Megisto cymela) m5 - 7 6 - 8 Grasses
  Monarch (Danaus plexippus) >5 - <11 6 - 10 Milkweeds
  Silver-spotted Skipper (Epargyreus clarus) 5 - 9 >5 - 9 Black locust
  Wild Indigo Duskywing (Erynnis baptisiae) m5 - 9 6 - 9 False Indigo (Baptisia australis)
  Common Sootywing (Pholisora catullus) m5 - m9 6 - 9 Lamb's quarters and others
  Zabulon Skipper (Poanes zabulon) >5 - <9 6 - 9 Grasses