A revision of the genus Achaearanea (Araneae: Theridiidae).
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Achaearanea tepidariorum. The leg-bearing segments L1, L2, and L4 are missing after downregulation of At-hb via RNAi. At-hb is required for the correct organization of target genes in this region of the embryo, suggesting that At-hb acts as a gap gene in the spider. In contrast to insects, hb does not control Hox gene expression in the spider.
The spider species Parasteatoda tepidariorum, commonly known as Common House Spider, belongs to the genus Parasteatoda, in the family Theridiidae.Parasteatoda tepidariorum spiders have been sighted 111 times by contributing members. Based on collected data, the geographic range for Parasteatoda tepidariorum includes 3 countries and 26 states in the United States.
Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Arachnida Order: Araneae Family: Theridiidae Genus: Achaearanea (Strand, 1929) Diversity: 148 species Type Species: Achaearanea tepidariorum (Photo) Common house spider (Achaearanea tepidariorum) and egg sac.
The cobweb spider Parasteatoda tepidariorum (C. L. Koch, 1841; syn.: Achaearanea tepidariorum) has become an important study organism in developmental biology and evolution as well as in genetics.
As its name suggests, the common house spider is the spider most often seen in homes in the United States. They like to build webs in hidden areas of the home, such as attics, basements, sheds, and barns. Most of the webs are in the corners of rooms and very easy to miss. The common house spider is.