August Johann Rösel von Rosenhof the fathers of German entomology. The fourth part is practically a monograph of the spider Araneus diadematus. The description of the animal is illustrated by six plates which show the differences in variation of the colouring of the species. They show also internal dissections. Rosenhof was interested in the production of silk but he confused the anus with the opening of silk-producing glands. He published, between 1753 and 1758, "Historia naturalis Ranarum nostratium" devoted to frogs. The quality of the work, in particular of its illustrations, make it one of the most beautiful devoted to these animals. He presented the
False garden mantis False garden mantis The false garden mantis ("Pseudomantis albofimbriata") is one of the most common species of mantis in Australia. Females reach 70 mm while males reach 50 mm. The false garden mantis is either green or brown but rarely may come in other colours. They have a distinctive dark spot on the femur of each raptorial foreleg. Females have short wings that only cover half of the abdomen, whereas Males have wings that cover the full length of the abdomen. Males sometimes have yellow triangular markings on the underside of the abdomen. They are widely distributed over Australia and