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Carnegie Bug Gazette

Lady Bird Beetles are Really Japanese.- People all
over Pennsylvania have been complaining this fall about ladybird beetles that have been coming into their houses. These beetles are not native to North America, rather were introduced intentionally from Japan by our own government to help control crop pests. Ladybird beetles as larvae and adults eat other small insects and are beneficial, but with a thousand of them in your kitchen you might begin to question that!

Scorpions Alive And Well In Pennsylvania.- Although confirmed records of scorpions in Pennsylvania seem to be missing, Carnegie Museum entomologists have recently confirmed the natural occurrence of one species in the state, Vaejovis carolinianus. A specimen was taken in Washington County near Meadowlands and is a species often found in rocky hillside habitats from Kentucky and Tennessee to the Carolinas and Georgia. This record may be the northernmost record for this species.
Strange Beetles Found near Local Slag Dump.- Coleopterists at Carnegie Museum have recently reported finding two species of ground beetle adjacent to slag dumps at Nine Mile Run, just east of the Squirrel Hill Tunnel on the Parkway. In a survey of these highly disturbed habitats, specialist Robert Davidson found 135 different species of ground beetles, many of them common, but amongst them were two species never before recorded from Pennsylvania. A single specimen of Acupalpus nanellus was captured in 1998 and constitute a Pennsylvania state record although it is already well-known from Wisconsin to Nova Scotia. Two specimens of the tiny Paratachys oblitus were also taken in 1998, and although common further east it was not previously recorded from Pennsylvania. These discoveries generate optimism for the condition of local natural habitats because things must not be too bad if record beetles can be found near the slag piles in Pittsburgh's backyard!
Giant Caterpillar Scares Children But Can't Hurt a Fly.- The largest moth species in Pennsylvania, or at least the one with heaviest body weight, is the regal moth, Citheronia regalis. It's larvae is truly huge, the size of a large cigar, with orange and blue coloration. It has large spiny horns just behind the head, and when touched will rear up and bristle these in the face of an intruder or curious child. It's all a bluff, as the horns are soft and about the only thing this huge caterpillar might do is give you a nip with its powerful teeth. The species has been slowly becoming much less common, in part due to the distraction of female moths by electric lights outdoors, and in part due to being heavily parasitized by a fly that was intentionally introduced as a pest control agent many years ago.






 
Metarranthis new speciesPennsylvania Moth New to Science.- Entomologists at Carnegie Museum have discovered a species of moth in the mountain just west of Tyrone, Pennsylvania, that was previously unknown to science. The new species has since been found in the Allegheny National Forest, in various places in West Virginia, and elsewhere in the northeast. It flies only from late March to earliest May and is a delicate buffy pink in color. The species is easily confused with other named species that fly from mid-May to mid-June in the same habitats. Many species of local insects are overlooked in this way because they look like other species that are common and widespread. Katydid Fluorescent Pink Katydid Not A Hoax.- Every year in Pennsylvania mountains a few people are fortunate enough to see an amazing thing, a normally green katydid that is brilliant pink, eyes, antennae, legs, everything. This unusual insects is actually a rare variety of one of our common katydids that are normally green all over. The bright pink condition is beautiful and startling to behold, and is caused by a genetically determined condition called erythrism. The pink katydids act just like green ones, and if we are lucky, they will continue to prosper as a special Pennsylvania oddity that most of us will never see alive!