The John W. Hock Company specializes in tools for collecting mosquitoes and other insects. Our tools are used for scientific research, risk assessment, and vector-borne disease control programs.

Omni-Directional Fay-Prince TrapMosquito and Sandfly Traps

Day or nighttime collection of mosquitoes and sandflies including specific traps for Aedes aegypti and Aedes albopictus or gravid Culex mosquitoes. Battery-powered traps feature incandescent or blacklight (UV), downdraft or updraft fans, CO2 release and photocell control.

Collection Bottle RotatorProgrammable Collection & Droplet Samplers (Impingers)

Segregate the catch into distinct time periods with programmable collection controlled by an advanced timer.

Use our Aerosol Droplet Samplers to accurately calibrate spraying equipment.


AspiratorsImproved Prokopack Aspirator In Use

Collect mosquitoes and other larger species with our Improved Prokopack (battery-powered) or CDC-designed (battery-powered) backpack aspirators. For manually aspirating mosquitoes and sandflies in the lab and field, use our mouth aspirator with optional HEPA filter.

Battery and Charger, 6VBatteries, Chargers, and Accessories

Keep your trap running at top performance with the right battery and charger along with our extensive battery tutorial. Customize a trap for your application with our many accessories, spare parts, and options.

Light-Weight Townes TrapOther Entomological Traps

Proven insect flight collection traps made from sun-resistant polyester with double or triple sewn seams. Models include The Standard 6-Meter Malaise TrapThe Migration Trap, and The Light-Weight Townes Trap.

The Adult Mayfly Updraft Blacklight (UV) Trap Model 3519 was developed for the capture of adult mayflies (Ephemeroptera) using a four-watt blue-black light (UV).

Latest News

The white LED lamp with miniature bayonet base uses 6.3 VDC and only draws 20 mAmps.  This is in marked contrast to the 150 and 250 mAmps for the CM-47 and CM-44, respectively.  Extremely long life and cool operating temperature.  Can be used in the following trap models: 512, 512.MIL, 1012, 1012.GATE, 1012.co2, and 1012.MIL.  If used in a CDC light trap, PN: 512 running on a 6-volt 12 amp-hr battery, run time would be increased from 27 to 45 hours. If used in the New Standard Miniature Light Trap, PN: 1012, run time would be increased from 22 hours (CM-44) to 53 hours (PN 3.20). Other colors available are Green:  525 nm (nano-meters), Blue:  473 nm,  Yellow:  592 nm, and Red:  626 nm.

The design and testing of our new Battery-Powered Mosquito and San Fly Aspirator Model 419 was completed in April of 2018. This aspirator can be used to move mosquitoes and sand flies between cages in the laboratory; it can be used in field collections and to conduct human landing rate counts in the field. Suction is provided by a cooling fan which operates at 5-6 VDC. Three 7-dram vials fitted with fine mesh stainless steel cloth for air flow and snap-on lids are included with the aspirator. The polycarbonate intake tube is 4 inches long with an ID of 0.375 inches. The aspirator comes with a waterproof battery case and is supplied with four alkaline AA batteries. The aspirator also includes a set of alligator leads so the unit can be powered using any size or type of 6-volt battery, e.g., our 6 VDC 12 Amp Hr gel cell (PN: 2.30) or our waterproof Pelican 4 D-Cell Battery Holder (PN: 1.50). Also included is an extension cord and a universal power supply (wall adaptor) that can operate on 100-240 VAC and 50/60 Hz mains. All connectors are either male or female 5.5/2.1 mm barrel connectors.

Prior to 2015, Zika virus (ZIKV) outbreaks were confined to Africa, Southeast Asia, and the Pacific Islands.  In May of 2015  the Pan American Health Organization (PAHO) issued an alert regarding the first confirmed ZIKV infections in Brazil.  Currently, outbreaks are occurring in many countries in the Americas.  As of 30 January 2016, ZIKV has been reported from Barbados, Bolivia, Brazil, Colombia, Dominican Republic, Ecuador, El Salvador, French Guiana, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Jamaica, Martinique, Mexico, Panama, Paraguay, Puerto Rico, Saint Martin, Suriname, U.S. Virgin Islands, and Venezuela.  CDC and PAHO/WHO are forecasting that ZIKA will continue to spread in the Americas.  The John W. Hock Company makes many traps that are useful and specific for the vectors of ZIKA.  Click here for more information on Zika virus and recommendations for traps and aspirators.

Stealth Trap Model 2014Designed over the course of two years, the Stealth Trap Model 2014 was designed around the requirements of the U.S. Department of Defense for vector surveillance in deployments (patent pending). The trap is hard for humans to see because the trap and collection cup are either black or camouflaged and for attraction, the trap emits nearly invisible ultraviolet (UVA) radiation from eight LEDs. Ultraviolet light is attractive to all species of haematogenous mosquitoes and sandflies. The trap is controlled by a photo switch and can use any battery with a voltage of 4 to 24 DC. Because of this feature set, this trap is also being used by public health organizations and many mosquito control districts in the United States and elsewhere. Power consumption running only the LEDs and fan is about one-half that of a standard CDC trap.