Hydroglyphus pusillus, the Tiny Tiger

Hydroglyphus pusillus, copyright Udo Schmidt. Let’s take another visit to the world of diving beetles. Above is Hydroglyphus pusillus, one of the few representatives in northern Europe of a genus that otherwise includes close to ninety species spread through the Old World, primarily in the tropics. Hydroglyphus species are tiny diving beetles, only about two… Continue reading Hydroglyphus pusillus, the Tiny Tiger


Aulacocyclus edentulus, copyright Donald Hobern. Belongs within: Scarabaeoidea. Aulacocyclus is an Australasian genus of bess beetles with projecting fore coxae and a distinct tubercle near the centre of the dorsal surface of the head. <==Aulacocyclus Kaup 1868 [incl. Caulifer Kaup 1871; Aulacocyclini] CW92     |–*A. edentulus (Macleay 1826) (see below for synonymy) CW92     |–A. aliicornis Kuwert… Continue reading Aulacocyclus


Liparochrus rufus, copyright Mark Newton. Belongs within: Scarabaeoidea. Liparochrus is an Australasian genus of scavenging beetles with a suboval body form, the sides of the elytra being more or less convex, and dense striae on the elytra. <==Liparochrus Erichson 1848 CW92     |  i. s.: L. alternans Macleay 1886 M86     |         L. asperulus Fairmaire 1877 CW92     |–L.… Continue reading Liparochrus


Ceratognathus niger, copyright Dash Huang. Belongs within: Scarabaeoidea. Ceratognathus is a genus of stag beetles found in Australasia and South America in which males often bear an erect dorsal cusp on the mandibles. <==Ceratognathus Westwood 1838 MC92     |–*C. niger Westwood 1838 [incl. Platycerus furcatus Castelnau 1840] MC92     |–C. abdominalis Parry 1870 MC92     |–C. bitumulatus Carter… Continue reading Ceratognathus


Lepanus parapisoniae, copyright Cate Lemann. Belongs within: Scarabaeinae. Lepanus is an Australasian genus of small, often shiny dung beetles. Characters (from Matthews 1974): Broadly oval, small (1.6-6.5 mrn), moderately to very convex. Colour usually uniformly rufopiceous, sometimes with rufous areas or entirely rufous or flavous. Surfaces usually strongly nitid and glabrous, sometimes more matt and… Continue reading Lepanus


Amphistomus sp., copyright Rebecca Harris. Belongs within: Scarabaeinae. Amphistomus is an Australasian genus of dung beetles with a tuberculate dorsum and the underside of the pronotum deeply excavated to receive the fore legs. Characters (from Matthews 1974): Oblong, trapezoidal or convex in cross-section, sides often nearly vertical, dorsal surfaces often flat. Small to medium (4-10… Continue reading Amphistomus


Male Coptodactyla glabricollis, from Darko D. Cotoras and John J. McCormack. Belongs within: Scarabaeinae. Coptodactyla is an Australasian genus of relatively large dung beetles lacking tarsi on the fore legs. Characters (from Matthews 1976): Oblong, feebly to strongly convex, largely glabrous. Entirely piceous, antennal clubs fuscous or rufous. Total length 9-18 mm. Head about 1.5-2… Continue reading Coptodactyla


Microvalgus vagans, copyright Christian Moeseneder. Belongs within: Cetoniinae. Microvalgus is a genus of small cetoniine beetles with a dorsal covering of scales found in warmer regions of the Old World. <==Microvalgus Kraatz 1883 CW92 |–*M. lapeyrousei (Gory & Percheron 1833) [=Valgus lapeyrousei] CW92 |–M. apicalis Lea 1914 CW92 |–M. bursariae Lea 1914 CW92 |–M. castaneipennis… Continue reading Microvalgus


Lomaptera sp., copyright Guido Bohne. Belongs within: Cetoniinae. The Lomapterina are an Indo-Australian group of flower beetles in which the basomedian lobe of the pronotum is expanded to entirely or almost entirely cover the scutellum. Many are a bright metallic green in coloration though members of Lomaptera subgenus Melanoptera are brown or blackish (Golding 2009).… Continue reading Lomapterina