This stunning scarab beetle is the Margined Shiny Leaf Chafer (Callistethus marginatus). They’re native to the Jap United States and located as far south as Central America. I discovered this one in Fillmore, MO this previous summer season. It was shifting round on the clover within the hay subject. Despite the fact that I now know these are frequent, I had by no means seen one earlier than.
Like most all scarabs their life begins underground as grubs the place they feed on the roots of turf, vegetation and younger timber. Some scarabs may cause extreme injury to lawns and decorative vegetation if their numbers are giant sufficient. This explicit species just isn’t identified to be a pest.
They do nevertheless, resemble a beetle we’ve come to know as a serious pest. The Japanese Beetle has been wrecking havoc from the Jap seaboard westward for many years now. Their sheer numbers are approaching plague-like proportions. The invasive Japanese Beetle is smaller and has distinct white tufts alongside the margins of the elytra.
|Margined Shiny Leaf Chafer|
The Margined Leaf Chafer lacks these tufts, however has pale hairs seen alongside the elytra and at first look could appear to be these distinctive tufts.
Their colour is considerably comparable. They each have shiny metallic our bodies and wings. Every have a greenish tint to them. The Japanese Beetle has a predominantly inexperienced head, pronotum, legs and underside. The MSLC has an over all brownish or reddish-brown colour with a metallic inexperienced sheen.There may be normally a pale-yellowish or cream colour margin alongside the pronotum. Legs are are gentle colour with bands of reddish-brown.
The Japanese Beetle is diurnal whereas MSLC are nocturnal. Though one can find them resting amongst flowers or vegetation throughout the day, giving the impression that they’re in reality diurnal. They ceaselessly present up at lights at evening.
This explicit beetle appears to be a favourite of bats. The nocturnal habits of the beetles places them within the path of evening flying bats. Bigger bats like Large Brown’s are keen on beetles, and this explicit species can be a manageable measurement for seize and consumption. The notion that bats eat giant portions of mosquitoes is a little bit of a exaggeration. Whereas they do eat mosquitoes, it simply is not on the quantity we’re advised. If we take a look at it from the bats perspective….mosquitoes are tiny, lack a lot dietary worth and must consumed in extraordinarily giant portions to profit them. Nonetheless, beetles, moths and different bigger bugs require almost the identical quantity of vitality to seize and pack a a lot bigger dietary punch. Evaluate it to people at an all-you-can-eat-buffet. Most wouldn’t order the salad when that massive buffet beckons.