heteroptera
The Heteroptera are a group of about 40,000 species of insects in the order Hemiptera. They are sometimes called "true bugs", though that name more commonly refers to the Hemiptera as a whole. "Typical bugs" might be used as a more unequivocal al ...
n bugs known as jumping ground bugs. There are about 30 widely distributed species which are placed in three genera. Fossils from
Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
amber have also been placed in the family.
The antennae have four segments, the basal two being short and thick while the distal ones are slender appearing like a brush with long hairs with the third segment thickened at the base. They have ocelli and the three segmented beak is long. The head is horizontal and there are no prominent forecoxal cavities.
Cryptostemma
''Cryptostemma'' is a genus of bugs in the family Dipsocoridae, first described by Herrich-Schäffer in 1835. The species ''Cryptostemma alienum'' is recorded from northern Europe including the British Isles.Pachycoleus'' Fieber, 1860 (Palaearctic, Oriental and Neotropical).
European species
''
Fauna Europaea Fauna Europaea is a database of the scientific names and distribution of all living multicellular European land and fresh-water animals. It serves as a standard taxonomic source for animal taxonomy within the Pan-European Species directories Infras ...
'' includes:
* '' Alpagut castanovitreus'' (Linnavuori, 1951) (= ''Raunocoris castaneovitreus''), Balkans, east Palaearctic
* '' Alpagut medius '' (Rey, 1888) (= ''Raunocoris medius''), Balkans, France and Ukraine
* ''
Cryptostemma alienum
''Cryptostemma'' is a genus of bugs in the family Dipsocoridae, first described by Herrich-Schäffer in 1835. The species ''Cryptostemma alienum'' is recorded from northern Europe including the British Isles.Cryptostemma carpaticum'' Josifov, 1967: Poland and Slovakia
* ''
Cryptostemma remanei
''Cryptostemma'' is a genus of bugs in the family Dipsocoridae, first described by Herrich-Schäffer in 1835. The species ''Cryptostemma alienum'' is recorded from northern Europe including the British Isles.Cryptostemma roubali
''Cryptostemma'' is a genus of bugs in the family Dipsocoridae, first described by Herrich-Schäffer in 1835. The species ''Cryptostemma alienum'' is recorded from northern Europe including the British Isles.Pachycoleus pusillimum'' (J. Sahlberg, 1870): Spain, Scandinavia, Russia
* '' Pachycoleus waltli'' Fieber, 1860: northern Europe including the British Isles, France through to Russia.