Garden Buzz: Green Man, Jumping Spider

(Note to pedants: yes, this post is tagged, “Insects” and spiders are arachnids, but they’re all arthropods and I don’t feel like changing my category tags)

This news bit in the morning paper caught my eye: a family was saved from a house fire because they noticed the spiders were on the move. One daughter was relieved of her arachnophobia from this.

See? Spiders are our friends! True, they are venomous, but only a few species actually have the capacity to harm humans. The rest are doing their best to keep insects from taking over the world.

I take that back — the insects are not trying to take over the world. It’s always been theirs. We’re out-numbered and always will be. So, get to know your neighbors! Because some people are still arachnophobic, I put the pix for the latest Garden Buzz here.

3 Comments

  1. pete moss said,

    5 December 2007 at 20:31

    lets hear it for the insects!

  2. Diddums said,

    20 July 2007 at 22:29

    Reminds me of when I left the door open to let in some fresh air and sunlight, and the next time I walked past, I bounced off an enormous cobweb that someone built – it started outside and stretched in through my door. Those arachnid builders move fast.

    • Milan said,

      27 May 2012 at 23:49

      Insects have a variety of medoths for surviving the coldness of winter.1. Migration is one strategy for escaping the killing temperatures. The Monarch Butterfly is the foremost example of this maneuver, but other insects migrate into northern areas from the southern states in the Spring. Crop pests are the most obvious of these migrants.2.Overwintering as Larvae. Many insects successfully pass the winter as immature larvae. The protection of heavy covers of leaf litter or similar shelters protect the woolly bear caterpillar, while other insects replace the water in their bodies with glycerol, a type of antifreeze! Some grubs simply burrow deeper into the soil to escape the cold.3. Overwintering as Nymphs. Not many insects are active in the winter, but the nymphs of dragonflies, mayflies and stoneflies live in waters of ponds and streams, often beneath ice. They feed actively and grow all winter to emerge as adults in early spring.4. Overwintering as Eggs. Lesser numbers of insects lay eggs which survive the winter. The most prominent insects in this category are Praying Mantids, and the destructive Corn Rootworms also engage in this strategy.5. Overwintering as Pupae. Some insects overwinter in the pupal stage, then emerge as adults in the spring. Moths in the Silkworm Family, Saturniidae, may be found attached to food plant branches as pupae in the winter.6. Hibernation as Adults. Many insects hibernate as adults. Lady bird beetles are a well-known example, and are sometimes seen in great numbers in the fall as they congregate at high elevations. Many large wasps seek shelter in the eaves and attics of houses or barns. Tree holes, leaf litter, and under logs and rocks are common shelters for overwintering adult insects. The Mourning Cloak Butterfly is usually the first butterfly that is noticed in the Spring, and this is because it hibernates in tree holes or other shelters during the winter. As in some insect larvae, it reduces the water content of its body, and builds up glycerol which acts as an antifreeze. Honey bees stay in hives during the winter, and form clusters when temperatures fall. They also are able to raise the temperature by vibrating wing muscles.In general, insects are able to survive cold temperatures easiest when the temperatures are stable, not fluctuating through alternate thaws and freezes. Many insects can gain shelter and nourishment through the winter in a variety of micro-habitats. Among these niches are under the soil, inside the wood of logs and trees, and even in plant galls. One kind of fly is known by fishermen to be present in certain galls in winter, and the fly larvae are consequently used as fish-bait. Blankets of snow benefit insects by insulating the ground and keeping the temperature surprisingly constant. Honeybees have been studied during the winter and are found to remain semi-active in hollow trees through the generation of body heat. The consumption of up to 30 pounds of stored honey during the winter months makes this possible. Heat energy is produced by the oxidation of the honey, and circulated throughout the hive by the wing-fanning of worker bees. Insects that are inactive during the winter months undergo a state in which their growth, development, and activities are suspended temporarily, with a metabolic rate that is high enough to keep them alive. This dormant condition is termed diapause. In comparison, vertebrates undergo hibernation, during which they have minor activity and add tissues to their bodies.


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