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Bug of the Week: Texan Crescent Butterfly

Do you remember our recent butterfly gardening week? Today we have additional evidence that “if you plant it, they will come.”

Look what was in our yard:

new-texan-crescent-bst16A brand new Texan crescent butterfly was drying its wings!

Since it was so freshly emerged, it seemed likely that its caterpillar had been feeding on a nearby plant. Which one? (If you’d like to see what the caterpillars look like, Butterflies of America has a page of photographs.)

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After consulting two books about Arizona butterflies, apparently Texan crescent caterpillars feed on a plant called Arizona foldwing, Dicliptera resupinata.

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We just happen to have Arizona foldwing growing in that area of the yard. How cool is that? Hopefully, we’ll see some Texan crescent caterpillars soon.

Last week we talked about butterfly families and gave the answers to our previous post, butterfly identification for beginners.

What butterfly family does a Texan crescent belong to?

new-texan-crescent-side-074Let me give you a hint. Count the number of legs.

Doesn’t it look like the adult butterfly has only four legs? That means it is a brush-footed butterflies or member of the family Nymphalidae. Although it does have front legs, they aren’t used for standing.

 Do you have any caterpillar food plants in your yard?

Mystery Seed of the Week 251

 

This week we have a plant that is a southwestern specialist.

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You might have seen the seeds of relatives of this plant, however.

mystery-seed-251By the way, the botanical term for these hairy seeds is that they are “sericeous.”

Do you recognize what plant these seeds are from? If you choose to, please leave a comment with your ideas.

Mystery Seed answers and new Mystery Seeds are posted on Tuesdays.

Edit:  The answer is now posted.

Did you find any interesting seeds this week?

Seed of the Week: Solanum

As Craig figured out, our mystery seeds from last week were from plants of the genus Solanum.

nightshade-purple-flower-104The seeds were from the above plants, which are silverleaf nightshade (Solanum elaeagnifolium), I believe.

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The plants have silvery green leaves…

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and purple flowers.

solanum-silverleaf-nightshade-dried-fruit-135The seeds are found in bright orange-yellow fruit.

Several nightshades in the genus Solanum grow in Arizona.

sonoran-nightshade362This is the similar Sonoran or Hinds’ nightshade, Solanum hindsianum.

sonoran-nightshade-with-leaves-66The Sonoran nightshade has smaller leaves.

tomato-flowerOf course, you might recognize some other members of the genus, such as Solanum lycopersicum, or tomatoes.

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Another common member of the same family (Solanaceae) is the blue potato bush vine, a landscape plant that is buzz pollinated by bees. It used to be called Solanum rantonnetii, but has recently been moved to the genus Lycianthes. As you can see, the purple flowers are similar in structure to the nightshades above.

Doe silverleaf nightshade grow where you live? What about other members of the genus Solanum?

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