Author: Roberta (Page 152 of 562)

Bug of the Week: Brown Katydid, Now Green Katydid

Remember the little brown katydid from two weeks ago?

katydid-nymph-close-upI didn’t see any katydids last week, but this might be why:

green-katydid-on-zinnia-131

There is now a slightly larger green katydid on the zinnias.

Is it the same katydid? Of course I have no way of knowing for sure. Insects do molt their exoskeletons in order to grow, and it is possible that some katydids change color when they molt. It apparently is the same species, at least.

By the way, now the aphids and lacebugs are completely gone. Wonder what will show up next week…

Insect Molting Activity for Kids:

When teaching about insect metamorphosis, one easy way to have children to act out molting is to put a large shirt on the child backwards (the insect’s exoskeleton usually splits down the back). Don’t button the shirt, but overlap the sides so it lays down in the back. Ask the child to get out of the shirt, or molt, without using their hands. Most children learn pretty quickly how to wiggle and squirm their way out, but it does give them an impression of how complicated it is for the insect.

Have you ever seen an insect molt?

Mystery Seed of the Week 243

Last week Karen left a comment that it is difficult to tell how big the mystery seeds are without some sense of scale.

Adding scale to the seed photographs is something I have struggled with for a long time. Macro photography requires a narrow depth of field, which limits the area in focus. Also, adding something like a penny or ruler rather wrecks any attempts at artistic composition.

Her question, however, finally sparked an answer for me. How about including a grain of rice?

mystery-seed-243-1

The rice is still out of focus, but it does give some scale. I don’t think it detracts too much, do you?

mystery-seed-243-2

By the way, these funny little seeds are from an Arizona native plant that started growing in our yard all on its own.

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.

Seed of the Week: Black-eyed Susan

Our mystery seeds last week were from black-eyed susan plants, Rudbeckia hirta.

Rudbeckia-Susan(Photo is in public domain from Wikimedia)

You probably have seen these cheery yellow-orange flowers with their chocolate brown centers. Black-eyed susan (also called brown-eyed susan) plants are native to widespread regions of North America. They have been taken into cultivation in many other areas as well.

rudbeckia-brown-eyed-susanWe found this lovely patch growing in a garden in Switzerland.

They grow as biennials or short-lived perennials, although they can be grown as annuals in some areas. They are fairly drought tolerant and relatively easy to grow from seeds.

Black-eyed susans are a wonderful choice for a native wildflower garden or prairie yard. See, for example, Alex Wild’s prairie yard in this post (scroll down). They are favorites of birds, bees and butterflies. In fact, black-eyed susans are larval host plants for at least two species of butterfly, so they would be wonderful additions to butterfly gardens as well.

Have you ever grown black-eyed susans?

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